[BACK]Return to lonprintout.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/lonprintout.pm between versions 1.105 and 1.455

version 1.105, 2003/01/23 20:19:38 version 1.455, 2006/07/03 13:48:41
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # (Internal Server Error Handler  
 #  
 # (Login Screen  
 # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,  
 # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)  
 #  
 # 3/1/1 Gerd Kortemeyer)  
 #  
 # 3/1 Gerd Kortemeyer  
 #  
 # 9/17 Alex Sakharuk  
 #  #
 package Apache::lonprintout;  package Apache::lonprintout;
   
Line 49  use Apache::grades; Line 38  use Apache::grades;
 use Apache::edit;  use Apache::edit;
 use Apache::File();  use Apache::File();
 use Apache::lonnavmaps;  use Apache::lonnavmaps;
   use Apache::lonratedt;
 use POSIX qw(strftime);  use POSIX qw(strftime);
 use GDBM_File;  use Apache::lonlocal;
   use Carp;
   use lib '/home/httpd/lib/perl/';
 my %hash;  use LONCAPA;
 my $LaTeXwidth = 0;  
   my %perm;
   my %parmhash;
   
   
   # Format a header according to a format.  
   # 
   
   # Substitutions:
   #     %a    - Assignment name.
   #     %c    - Course name.
   #     %n    - Student name.
   #
   sub format_page_header {
       my ($format, $assignment, $course, $student) = @_;
       
       #  Default format?
   
       if ($format eq '') {
    $format =  "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
   
       } else {
    $format =~ s/%a/$assignment/g;
    $format =~ s/%c/$course/g;
    $format =~ s/%n/$student/g;
       }
       
   
 sub headerform {      return $format;
     my $r = shift;      
     $r->print(<<ENDHEADER);  }
 <html>  
 <head>  
 <title>LON-CAPA output for printing</title>  
 </head>  
 <body bgcolor="FFFFFF">  
 <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">  
 ENDHEADER  
   
     if ($ENV{'form.postdata'}=~m|^/res/|) {  #
  $r->print(<<ENDHEADER1);  #   Convert a numeric code to letters
 <b>Path to current document: </b><tt>$ENV{'form.postdata'}</tt><p>  #
 ENDHEADER1  sub num_to_letters {
       my ($num) = @_;
       my @nums= split('',$num);
       my @num_to_let=('A'..'Z');
       my $word;
       foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
       return $word;
   }
   #   Convert a letter code to numeric.
   #
   sub letters_to_num {
       my ($letters) = @_;
       my @letters = split('', uc($letters));
       my %substitution;
       my $digit = 0;
       foreach my $letter ('A'..'J') {
    $substitution{$letter} = $digit;
    $digit++;
       }
       #  The substitution is done as below to preserve leading
       #  zeroes which are needed to keep the code size exact
       #
       my $result ="";
       foreach my $letter (@letters) {
    $result.=$substitution{$letter};
     }      }
       return $result;
 }  }
   
   #  Determine if a code is a valid numeric code.  Valid
   #  numeric codes must be comprised entirely of digits and
   #  have a correct number of digits.
   #
   #  Parameters:
   #     value      - proposed code value.
   #     num_digits - Number of digits required.
   #
   sub is_valid_numeric_code {
       my ($value, $num_digits) = @_;
       #   Remove leading/trailing whitespace;
       $value =~ s/^\s*//g;
       $value =~ s/\s*$//g;
       
       #  All digits?
       if ($value !~ /^[0-9]+$/) {
    return "Numeric code $value has invalid characters - must only be digits";
       }
       if (length($value) != $num_digits) {
    return "Numeric code $value incorrect number of digits (correct = $num_digits)";
       }
       return undef;
   }
   #   Determines if a code is a valid alhpa code.  Alpha codes
   #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
   #   They also have a correct digit count.
   # Parameters:
   #     value          - Proposed code value.
   #     num_letters    - correct number of letters.
   # Note:
   #    leading and trailing whitespace are ignored.
   #
   sub is_valid_alpha_code {
       my ($value, $num_letters) = @_;
       
        # strip leading and trailing spaces.
   
       $value =~ s/^\s*//g;
       $value =~ s/\s*$//g;
   
       #  All alphas in the right range?
       if ($value !~ /^[A-J,a-j]+$/) {
    return "Invalid letter code $value must only contain A-J";
       }
       if (length($value) != $num_letters) {
    return "Letter code $value has incorrect number of letters (correct = $num_letters)";
       }
       return undef;
   }
   
 sub menu_for_output {  #   Determine if a code entered by the user in a helper is valid.
     my $r = shift;  #   valid depends on the code type and the type of code selected.
     my ($title_for_single_resource,$title_for_sequence,$title_for_main_map) = &details_for_menu;  #   The type of code selected can either be numeric or 
     my $assignment = $title_for_sequence;  #   Alphabetic.  If alphabetic, the code, in fact is a simple
     if ($title_for_single_resource ne '') {$title_for_single_resource = '"'.$title_for_single_resource.'"';}  #   substitution cipher for the actual numeric code: 0->A, 1->B ...
     if ($title_for_sequence ne '') {$title_for_sequence = '"'.$title_for_sequence.'"';}  #   We'll be nice and be case insensitive for alpha codes.
     if ($title_for_main_map ne '') {$title_for_main_map = '"'.$title_for_main_map.'"';}  # Parameters:
     $ENV{'form.postdata'} =~ s|http://[^/]+||;  #    code_value    - the value of the code the user typed in.
     my $subdir_to_print = $ENV{'form.postdata'};  #    code_option   - The code type selected from the set in the scantron format
     $subdir_to_print =~ m/\/([^\/]+)$/;  #                    table.
     $subdir_to_print =~ s/\Q$1\E//;  # Returns:
     $r->print(<<ENDMENUOUT1);  #    undef         - The code is valid.
 <h1>What do you want to print? Make a choice.</h1><br />  #    other         - An error message indicating what's wrong.
 <input type="hidden" name="phase" value="two">  #
 <input type="hidden" name="url" value="$ENV{'form.postdata'}">  sub is_code_valid {
 <input type="hidden" name="assignment" value="$assignment">      my ($code_value, $code_option) = @_;
 <input type="radio" name="choice" value="Standard LaTeX output for current document" checked>  Current document <b>$title_for_single_resource</b>      my ($code_type, $code_length) = ('letter', 6); # defaults.
 (prints what you just saw on the screen)<br />      open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
 ENDMENUOUT1      foreach my $line (<FG>) {
     if ($ENV{'form.postdata'}=~/\/res\//) {   my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
  $r->print(<<ENDMENUOUT2);   if($name eq $code_option) {
 <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  Problem(s) from <b>$title_for_sequence</b><br />      $code_length = $length;
 <input type="radio" name="choice" value="Standard LaTeX output for whole primary sequence">  Problem(s) plus page(s) or html/xml file(s) from <b>$title_for_sequence</b><br />      if($type eq 'number') {
 ENDMENUOUT2   $code_type = 'number';
     }      }
     if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($ENV{'form.postdata'}=~/\/res\//)) {    }
  $r->print(<<ENDMENUOUT6);  
 <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence">  All problems in this course (<b>warning:</b> this may be time consuming) <br />  
 <br />  
 <input type="radio" name="choice" value="All class print">  All problems from <b>$title_for_sequence</b> for selected students<br /><br />  
 ENDMENUOUT6  
     }      }
       my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});      my $valid;
       $subdirtoprint =~ s/\/[^\/]+$//;      if ($code_type eq 'number') {
       if ((&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') and ($ENV{'form.postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) {   return &is_valid_numeric_code($code_value, $code_length);
   $r->print(<<ENDMENUOUT4);      } else {
   <input type="radio" name="choice" value="Subdirectory print">  Problems from current subdirectory <b>$subdir_to_print</b><br />   return &is_valid_alpha_code($code_value, $code_length);
 ENDMENUOUT4      }
       }  
     $r->print(<<ENDMENUOUT5);  
 <br /><hr /><br />  
 <h1>And what page format do you prefer?</h1>  
 <table>  
  <tr>  
    <td>  
      <input type="radio" name="layout" value="CBI"> Landscape <br />  
      <input type="radio" name="layout" value="CAPA" checked>  Portrait <br />  
    </td>  
    <td>&nbsp;</td>  
    <td rawspan="2">  
      Number of columns: <select name="numberofcolumns">  
                          <option> 1 </option>  
                          <option selected> 2 </option>  
                         </select>   
    </td>  
    <td rawspan="2">  
      Paper size (format [width x height]): <select name="papersize">  
                                             <option selected> Letter [8 1/2x11 in] </option>  
                                             <option> Legal [8 1/2x14 in] </option>  
                                             <option> Ledger/Tabloid [11x17 in] </option>  
                                             <option> Executive [7 1/2x10 in] </option>  
                                             <option> A2 [420x594 mm] </option>  
                                             <option> A3 [297x420 mm] </option>  
                                             <option> A4 [210x297 mm] </option>  
                                             <option> A5 [148x210 mm] </option>  
                                             <option> A6 [105x148 mm] </option>  
                                            </select>   
    </td>  
  </tr>  
 </table>  
 </br>   
 <input type="submit" value="Submit your choice">  
 ENDMENUOUT5  
 }  }
   
   #   Compare two students by name.  The students are in the form
   #   returned by the helper:
   #      user:domain:section:last,   first:status
   #   This is a helper function for the perl sort built-in  therefore:
   # Implicit Inputs:
   #    $a     - The first element to compare (global)
   #    $b     - The second element to compare (global)
   # Returns:
   #   -1   - $a < $b
   #    0   - $a == $b
   #   +1   - $a > $b
   #   Note that the initial comparison is done on the last names with the
   #   first names only used to break the tie.
   #
   #
   sub compare_names {
       #  First split the names up into the primary fields.
   
       my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
       my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
   
 sub sequence_content_menu {      # Now split the last name and first name of each n:
     my ($key_to,$r) = @_;      #
     my $primary_sequence;  
     my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});      my ($l1,$f1) = split(/,/, $n1);
     my @sequence = split('___',$symbolic);      my ($l2,$f2) = split(/,/, $n2);
     if ($sequence[0]=~/^uploaded/) {$primary_sequence = '/'.$sequence[0];}   
       else {$primary_sequence = '/res/'.$sequence[0];}       # We don't bother to remove the leading/trailing whitespace from the
     my @master_seq = &coming_from_hash($primary_sequence,$sequence[0]);      # firstname, unless the last names compare identical.
     my @master_seq_view = @master_seq;  
     @master_seq = @master_seq;      if($l1 lt $l2) {
     for (my $i=0;$i<=$#master_seq_view;$i++) {   return -1;
  $master_seq_view[$i]=~/\/([^\/]+)$/;  
  $master_seq_view[$i]=$1;  
     }  
     $r->print(<<ENDMENUOUT1);  
 <input type="hidden" name="url" value="$ENV{'form.url'}">  
 <input type="hidden" name="choice" value="$ENV{'form.choice'}">  
 <input type="hidden" name="layout" value="$ENV{'form.layout'}">  
 <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">  
 <input type="hidden" name="assignment" value="$ENV{'form.assignment'}">  
 <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">  
 <h1>Mark item(s) which you want to print</h1>  
 <script>  
     function checkall() {  
  for (i=0; i<document.forms.printform.elements.length; i++) {  
             if   
           (document.forms.printform.elements[i].name.indexOf('whatfile')==0) {  
       document.forms.printform.elements[i].checked=true;  
             }  
         }  
     }      }
     function uncheckall() {      if($l1 gt $l2) {
  for (i=0; i<document.forms.printform.elements.length; i++) {   return  1;
             if   
           (document.forms.printform.elements[i].name.indexOf('whatfile')==0) {  
       document.forms.printform.elements[i].checked=false;  
             }  
         }  
     }      }
 </script>  
 <input type=button onClick="checkall()" value="Check All">&nbsp;      # Break the tie on the first name, but there are leading (possibly trailing
 <input type=button onClick="uncheckall()" value="Uncheck">      # whitespaces to get rid of first 
 <p>      #
 ENDMENUOUT1      $f1 =~ s/^\s+//; # Remove leading...
     my $inc=0;       $f1 =~ s/\s+$//; # Trailing spaces from first 1...
     for (my $i=0;$i<=$#master_seq_view;$i++) {      
       if ($key_to==1 && $master_seq_view[$i]=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {      $f2 =~ s/^\s+//;
  $r->print('<br /><input type=checkbox name="whatfile'.$inc.'" value="'.$master_seq[$i].'"> '."\n".      $f2 =~ s/\s+$//; # And the same for first 2...
                   $master_seq_view[$i]);  
         $inc++;      if($f1 lt $f2) {
     } elsif ($key_to==0 && $master_seq_view[$i]=~/\.(problem|exam|quiz|assess|survey|form|library|xml|htm|html|page)$/) {   return -1;
  $r->print('<br /><input type=checkbox name="whatfile'.$inc.'" value="'.$master_seq[$i].'"> '.  
                   $master_seq_view[$i]);  
         $inc++;  
       }  
     }      }
     $r->print(<<ENDMENUOUT2);      if($f1 gt $f2) {
 <br />   return 1;
 <input type="hidden" name="numberoffiles" value="$inc">      }
 <input type="hidden" name="phase" value="three">      
 <input type="submit" value="Submit">      #  Must be the same name.
 ENDMENUOUT2  
   
       return 0;
 }  }
   
   sub latex_header_footer_remove {
       my $text = shift;
       $text =~ s/\\end{document}//;
       $text =~ s/\\documentclass([^&]*)\\begin{document}//;
       return $text;
   }
   #
   #  If necessary, encapsulate text inside 
   #  a minipage env.
   #  necessity is determined by the problem_split param.
   #
   sub encapsulate_minipage {
       my ($text) = @_;
       if (!($env{'form.problem.split'} =~ /yes/i)) {
    $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
       }
       return $text;
   }
   #
   #  The NUMBER_TO_PRINT and SPLIT_PDFS
   #  variables interact, this sub looks at these two parameters
   #  and comes up with a final value for NUMBER_TO_PRINT which can be:
   #     all     - if SPLIT_PDFS eq 'all'.
   #     1       - if SPLIT_PDFS eq 'oneper'
   #     section - if SPLIT_PDFS eq 'sections'
   #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
   #
   sub adjust_number_to_print {
       my $helper = shift;
   
 sub problem_choice_menu {      my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
     my $r = shift;      
     my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});      if ($split_pdf eq 'all') {
     $subdirtoprint =~ s/\/[^\/]+$//;   $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
     my @list_of_files = ();      } elsif ($split_pdf eq 'oneper') {
     my @content_directory = ();   $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
     if ($subdirtoprint =~ m|/home/([^/]+)/public_html|) {      } elsif ($split_pdf eq 'sections') {
  #localmachine CSTR space   $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
  my $user=$1;      } elsif ($split_pdf eq 'usenumber') {
  my $domain=$Apache::lonnet::perlvar{'lonDefDomain'};   #  Unmodified.
  @content_directory = &Apache::lonnet::dirlist($subdirtoprint,  
       $domain, $user,'');  
     } else {      } else {
  @content_directory = &Apache::lonnet::dirlist($subdirtoprint);   # Error!!!!
   
    croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
     }      }
     for (my $iy=0;$iy<=$#content_directory;$iy++) {  }
  my @tempo_array = split(/&/,$content_directory[$iy]);  
  if ($tempo_array[0] =~ m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/) {  sub character_chart {
     push(@list_of_files,$tempo_array[0]);      my $result = shift;
  }      $result =~ s/&\#0?0?(7|9);//g;
     }      $result =~ s/&\#0?(10|13);//g;
     $subdirtoprint =~ s/\/$//;      $result =~ s/&\#0?32;/ /g;
     for (my $i=0;$i<=$#list_of_files;$i++) {      $result =~ s/&\#0?33;/!/g;
  $list_of_files[$i] = $subdirtoprint.'/'.$list_of_files[$i];      $result =~ s/&(\#0?34|quot);/\"/g;
     }      $result =~ s/&\#0?35;/\\\#/g;
     $r->print(<<ENDMENUOUT1);      $result =~ s/&\#0?36;/\\\$/g;
 <input type="hidden" name="url" value="$ENV{'form.url'}">      $result =~ s/&\#0?37;/\\%/g; 
 <input type="hidden" name="choice" value="$ENV{'form.choice'}">      $result =~ s/&(\#0?38|amp);/\\&/g; 
 <input type="hidden" name="layout" value="$ENV{'form.layout'}">      $result =~ s/&\#(0?39|146);/\'/g;
 <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">      $result =~ s/&\#0?40;/(/g;
 <h1>Mark problems which you want to print</h1>      $result =~ s/&\#0?41;/)/g;
 <script>      $result =~ s/&\#0?42;/\*/g;
     function checkall() {      $result =~ s/&\#0?43;/\+/g;
  for (i=0; i<document.forms.printform.elements.length; i++) {      $result =~ s/&\#(0?44|130);/,/g;
             if       $result =~ s/&\#0?45;/-/g;
           (document.forms.printform.elements[i].name.indexOf('whattoprint')==0) {      $result =~ s/&\#0?46;/\./g;
       document.forms.printform.elements[i].checked=true;      $result =~ s/&\#0?47;/\//g;
             }      $result =~ s/&\#0?48;/0/g;
         }      $result =~ s/&\#0?49;/1/g;
       $result =~ s/&\#0?50;/2/g;
       $result =~ s/&\#0?51;/3/g;
       $result =~ s/&\#0?52;/4/g;
       $result =~ s/&\#0?53;/5/g;
       $result =~ s/&\#0?54;/6/g;
       $result =~ s/&\#0?55;/7/g;
       $result =~ s/&\#0?56;/8/g;
       $result =~ s/&\#0?57;/9/g;
       $result =~ s/&\#0?58;/:/g;
       $result =~ s/&\#0?59;/;/g;
       $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
       $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
       $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
       $result =~ s/&\#0?63;/\?/g;
       $result =~ s/&\#0?65;/A/g;
       $result =~ s/&\#0?66;/B/g;
       $result =~ s/&\#0?67;/C/g;
       $result =~ s/&\#0?68;/D/g;
       $result =~ s/&\#0?69;/E/g;
       $result =~ s/&\#0?70;/F/g;
       $result =~ s/&\#0?71;/G/g;
       $result =~ s/&\#0?72;/H/g;
       $result =~ s/&\#0?73;/I/g;
       $result =~ s/&\#0?74;/J/g;
       $result =~ s/&\#0?75;/K/g;
       $result =~ s/&\#0?76;/L/g;
       $result =~ s/&\#0?77;/M/g;
       $result =~ s/&\#0?78;/N/g;
       $result =~ s/&\#0?79;/O/g;
       $result =~ s/&\#0?80;/P/g;
       $result =~ s/&\#0?81;/Q/g;
       $result =~ s/&\#0?82;/R/g;
       $result =~ s/&\#0?83;/S/g;
       $result =~ s/&\#0?84;/T/g;
       $result =~ s/&\#0?85;/U/g;
       $result =~ s/&\#0?86;/V/g;
       $result =~ s/&\#0?87;/W/g;
       $result =~ s/&\#0?88;/X/g;
       $result =~ s/&\#0?89;/Y/g;
       $result =~ s/&\#0?90;/Z/g;
       $result =~ s/&\#0?91;/[/g;
       $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
       $result =~ s/&\#0?93;/]/g;
       $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
       $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
       $result =~ s/&\#(0?96|145);/\`/g;
       $result =~ s/&\#0?97;/a/g;
       $result =~ s/&\#0?98;/b/g;
       $result =~ s/&\#0?99;/c/g;
       $result =~ s/&\#100;/d/g;
       $result =~ s/&\#101;/e/g;
       $result =~ s/&\#102;/f/g;
       $result =~ s/&\#103;/g/g;
       $result =~ s/&\#104;/h/g;
       $result =~ s/&\#105;/i/g;
       $result =~ s/&\#106;/j/g;
       $result =~ s/&\#107;/k/g;
       $result =~ s/&\#108;/l/g;
       $result =~ s/&\#109;/m/g;
       $result =~ s/&\#110;/n/g;
       $result =~ s/&\#111;/o/g;
       $result =~ s/&\#112;/p/g;
       $result =~ s/&\#113;/q/g;
       $result =~ s/&\#114;/r/g;
       $result =~ s/&\#115;/s/g;
       $result =~ s/&\#116;/t/g;
       $result =~ s/&\#117;/u/g;
       $result =~ s/&\#118;/v/g;
       $result =~ s/&\#119;/w/g;
       $result =~ s/&\#120;/x/g;
       $result =~ s/&\#121;/y/g;
       $result =~ s/&\#122;/z/g;
       $result =~ s/&\#123;/\\{/g;
       $result =~ s/&\#124;/\|/g;
       $result =~ s/&\#125;/\\}/g;
       $result =~ s/&\#126;/\~/g;
       $result =~ s/&\#131;/\\textflorin /g;
       $result =~ s/&\#132;/\"/g;
       $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
       $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
       $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
       $result =~ s/&\#137;/\\textperthousand /g;
       $result =~ s/&\#140;/{\\OE}/g;
       $result =~ s/&\#147;/\`\`/g;
       $result =~ s/&\#148;/\'\'/g;
       $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
       $result =~ s/&\#150;/--/g;
       $result =~ s/&\#151;/---/g;
       $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
       $result =~ s/&\#153;/\\texttrademark /g;
       $result =~ s/&\#156;/\\oe/g;
       $result =~ s/&\#159;/\\\"Y/g;
       $result =~ s/&(\#160|nbsp);/~/g;
       $result =~ s/&(\#161|iexcl);/!\`/g;
       $result =~ s/&(\#162|cent);/\\textcent /g;
       $result =~ s/&(\#163|pound);/\\pounds /g; 
       $result =~ s/&(\#164|curren);/\\textcurrency /g;
       $result =~ s/&(\#165|yen);/\\textyen /g;
       $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
       $result =~ s/&(\#167|sect);/\\textsection /g;
       $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
       $result =~ s/&(\#169|copy);/\\copyright /g;
       $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
       $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
       $result =~ s/&(\#173|shy);/ - /g;
       $result =~ s/&(\#174|reg);/\\textregistered /g;
       $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
       $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
       $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
       $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
       $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
       $result =~ s/&(\#180|acute);/\\textacute /g;
       $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
       $result =~ s/&(\#182|para);/\\P/g;
       $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
       $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
       $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
       $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
       $result =~ s/&(\#188|frac14);/\\textonequarter /g;
       $result =~ s/&(\#189|frac12);/\\textonehalf /g;
       $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
       $result =~ s/&(\#191|iquest);/?\`/g;   
       $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
       $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
       $result =~ s/&(\#194|Acirc);/\\^{A}/g;
       $result =~ s/&(\#195|Atilde);/\\~{A}/g;
       $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
       $result =~ s/&(\#197|Aring);/{\\AA}/g;
       $result =~ s/&(\#198|AElig);/{\\AE}/g;
       $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
       $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
       $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
       $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
       $result =~ s/&(\#203|Euml);/\\\"{E}/g;
       $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
       $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
       $result =~ s/&(\#206|Icirc);/\\^{I}/g;
       $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
       $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
       $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
       $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
       $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
       $result =~ s/&(\#213|Otilde);/\\~{O}/g;
       $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
       $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
       $result =~ s/&(\#216|Oslash);/{\\O}/g;
       $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
       $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
       $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
       $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
       $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
       $result =~ s/&(\#223|szlig);/{\\ss}/g;
       $result =~ s/&(\#224|agrave);/\\\`{a}/g;
       $result =~ s/&(\#225|aacute);/\\\'{a}/g;
       $result =~ s/&(\#226|acirc);/\\^{a}/g;
       $result =~ s/&(\#227|atilde);/\\~{a}/g;
       $result =~ s/&(\#228|auml);/\\\"{a}/g;
       $result =~ s/&(\#229|aring);/{\\aa}/g;
       $result =~ s/&(\#230|aelig);/{\\ae}/g;
       $result =~ s/&(\#231|ccedil);/\\c{c}/g;
       $result =~ s/&(\#232|egrave);/\\\`{e}/g;
       $result =~ s/&(\#233|eacute);/\\\'{e}/g;
       $result =~ s/&(\#234|ecirc);/\\^{e}/g;
       $result =~ s/&(\#235|euml);/\\\"{e}/g;
       $result =~ s/&(\#236|igrave);/\\\`{i}/g;
       $result =~ s/&(\#237|iacute);/\\\'{i}/g;
       $result =~ s/&(\#238|icirc);/\\^{i}/g;
       $result =~ s/&(\#239|iuml);/\\\"{i}/g;
       $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
       $result =~ s/&(\#241|ntilde);/\\~{n}/g;
       $result =~ s/&(\#242|ograve);/\\\`{o}/g;
       $result =~ s/&(\#243|oacute);/\\\'{o}/g;
       $result =~ s/&(\#244|ocirc);/\\^{o}/g;
       $result =~ s/&(\#245|otilde);/\\~{o}/g;
       $result =~ s/&(\#246|ouml);/\\\"{o}/g;
       $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
       $result =~ s/&(\#248|oslash);/{\\o}/g;
       $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
       $result =~ s/&(\#250|uacute);/\\\'{u}/g;
       $result =~ s/&(\#251|ucirc);/\\^{u}/g;
       $result =~ s/&(\#252|uuml);/\\\"{u}/g;
       $result =~ s/&(\#253|yacute);/\\\'{y}/g;
       $result =~ s/&(\#255|yuml);/\\\"{y}/g;
       $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
       $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
   #Greek Alphabet
       $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
       $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
       $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
       $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
       $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
       $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
       $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
       $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
       $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
       $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
       $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
       $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
       $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
       $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
       $result =~ s/&(omicron|\#959);/o/g;
       $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
       $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
       $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
       $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
       $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
       $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
       $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
       $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
       $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
       $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
       $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
       $result =~ s/&(Alpha|\#913);/A/g;
       $result =~ s/&(Beta|\#914);/B/g;
       $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
       $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
       $result =~ s/&(Epsilon|\#917);/E/g;
       $result =~ s/&(Zeta|\#918);/Z/g;
       $result =~ s/&(Eta|\#919);/H/g;
       $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
       $result =~ s/&(Iota|\#921);/I/g;
       $result =~ s/&(Kappa|\#922);/K/g;
       $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
       $result =~ s/&(Mu|\#924);/M/g;
       $result =~ s/&(Nu|\#925);/N/g;
       $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
       $result =~ s/&(Omicron|\#927);/O/g;
       $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
       $result =~ s/&(Rho|\#929);/P/g;
       $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
       $result =~ s/&(Tau|\#932);/T/g;
       $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
       $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
       $result =~ s/&(Chi|\#935);/X/g;
       $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
       $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
   #Arrows (extended HTML 4.01)
       $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
       $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
       $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
       $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
       $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
       $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
       $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
       $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
       $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
       $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
   #Mathematical Operators (extended HTML 4.01)
       $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
       $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
       $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
       $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
       $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
       $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
       $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
       $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
       $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
       $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
       $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
       $result =~ s/–/\\ensuremath\{-\}/g;
       $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
       $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
       $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
       $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
       $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
       $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
       $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
       $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
       $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
       $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
       $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
       $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
       $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
       $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
       $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
       $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
       $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
       $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
       $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
       $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
       $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
       $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
       $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
       $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
       $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
       $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
   #Geometric Shapes (extended HTML 4.01)
       $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
   #Miscellaneous Symbols (extended HTML 4.01)
       $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
       $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
       $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
       $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
       return $result;
   }
   
   
                     #width, height, oddsidemargin, evensidemargin, topmargin
   my %page_formats=
       ('letter' => {
    'book' => {
        '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
        '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
    },
    'album' => {
        '1' => [ '8.8 in', '6.8 in','-40 pt in',  '-60 pt','1 cm'],
        '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
    },
        },
        'legal' => {
    'book' => {
        '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
        '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
    },
    'album' => {
        '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
             },
        },
        'tabloid' => {
    'book' => {
        '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
        '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
    },
    'album' => {
        '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
        '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
             },
        },
        'executive' => {
    'book' => {
        '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
        '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
    },
    'album' => {
        '1' => [],
        '2' => []
             },
        },
        'a2' => {
    'book' => {
        '1' => [],
        '2' => []
    },
    'album' => {
        '1' => [],
        '2' => []
             },
        },
        'a3' => {
    'book' => {
        '1' => [],
        '2' => []
    },
    'album' => {
        '1' => [],
        '2' => []
             },
        },
        'a4' => {
    'book' => {
        '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
        '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
    },
    'album' => {
        '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
        '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
    },
        },
        'a5' => {
    'book' => {
        '1' => [],
        '2' => []
    },
    'album' => {
        '1' => [],
        '2' => []
             },
        },
        'a6' => {
    'book' => {
        '1' => [],
        '2' => []
    },
    'album' => {
        '1' => [],
        '2' => []
             },
        },
        );
   
   sub page_format {
   #
   #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
   #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
   #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
   #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
   #                        "A6 [105x148 mm]"
   # 
       my ($papersize,$layout,$numberofcolumns) = @_; 
       return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
   }
   
   
   sub get_name {
       my ($uname,$udom)=@_;
       if (!defined($uname)) { $uname=$env{'user.name'}; }
       if (!defined($udom)) { $udom=$env{'user.domain'}; }
       my $plainname=&Apache::loncommon::plainname($uname,$udom);
       if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
      $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
       return $plainname;
   }
   
   sub get_course {
       my $courseidinfo;
       if (defined($env{'request.course.id'})) {
    $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
     }      }
       return $courseidinfo;
   }
   
   sub page_format_transformation {
       my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
       my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
   
     function uncheckall() {      if ($selectionmade eq '4') {
  for (i=0; i<document.forms.printform.elements.length; i++) {   $assignment='Problems from the Whole Course';
             if       } else {
           (document.forms.printform.elements[i].name.indexOf('whattoprint')==0) {   $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
       document.forms.printform.elements[i].checked=false;  
             }  
         }  
     }      }
 </script>      ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
 <input type=button onClick="checkall()" value="Check All">&nbsp;  
 <input type=button onClick="uncheckall()" value="Uncheck">  
 <p>      my $name = &get_name();
 ENDMENUOUT1      my $courseidinfo = &get_course();
     my $i=0;      if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
     foreach my $file (sort @list_of_files) {      my $header_text  = $parmhash{'print_header_format'};
  $r->print('<br /><input type=checkbox name="whattoprint'.$i.'" value="'.$file.'"> '.      $header_text     = &format_page_header($header_text, $assignment,
                   $file);     $courseidinfo, $name);
  $i++;      my $topmargintoinsert = '';
       if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
       my $fancypagestatement='';
       if ($numberofcolumns eq '2') {
    $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
       } else {
    $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
     }      }
     $r->print(<<ENDMENUOUT2);      if ($layout eq 'album') {
 <br />      $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
 <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">      } elsif ($layout eq 'book') {
 <input type="hidden" name="numberofproblems" value="$i">   if ($choice ne 'All class print') { 
 <input type="hidden" name="phase" value="three">      $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
 <input type="submit" value="Submit">   } else {
 ENDMENUOUT2      $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
    }
    if ($papersize eq 'a4') {
       $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
    }
       }
       if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
       if ($indexlist eq 'yes') {
    $text=~s/(\\begin{document})/\\makeindex $1/;
    $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
       }
       return $text;
 }  }
   
   
 sub additional_class_menu {  sub page_cleanup {
     my $r = shift;      my $result = shift;
     $r->print(<<ENDMENUOUT1);   
 <input type="hidden" name="url" value="$ENV{'form.url'}">      $result =~ m/\\end{document}(\d*)$/;
 <input type="hidden" name="choice" value="$ENV{'form.choice'}">      my $number_of_columns = $1;
 <input type="hidden" name="layout" value="$ENV{'form.layout'}">      my $insert = '{';
 <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">      for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
 <input type="hidden" name="assignment" value="$ENV{'form.assignment'}">      $insert .= '}';
 <h1>Select student(s) whose assignment you want to print</h1>      $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
 ENDMENUOUT1      $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
     my %courselist=&Apache::lonnet::dump(      return $result,$number_of_columns;
                    'classlist',  }
    $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},  
    $ENV{'course.'.$ENV{'request.course.id'}.'.num'});  
     my $now=time;  
     $r->print(<<ENDDISHEADER);  
 <script>  
     function checkall() {  
  for (i=0; i<document.forms.printform.elements.length; i++) {  
             if   
           (document.forms.printform.elements[i].name.indexOf('whomtoprint')==0) {  
       document.forms.printform.elements[i].checked=true;  
             }  
         }  
     }  
   
     function checksec() {  
  for (i=0; i<document.forms.printform.elements.length; i++) {  sub details_for_menu {
             if       my ($helper)=@_;
           (document.forms.printform.elements[i].value.indexOf      my $postdata=$env{'form.postdata'};
            (document.forms.printform.chksec.value)==0) {      if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
       document.forms.printform.elements[i].checked=true;      my $name_of_resource = &Apache::lonnet::gettitle($postdata);
             }      my $symbolic = &Apache::lonnet::symbread($postdata);
         }      my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
       $map=&Apache::lonnet::clutter($map);
       my $name_of_sequence = &Apache::lonnet::gettitle($map);
       if ($name_of_sequence =~ /^\s*$/) {
    $map =~ m|([^/]+)$|;
    $name_of_sequence = $1;
       }
       my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
       if ($name_of_map =~ /^\s*$/) {
    $env{'request.course.uri'} =~ m|([^/]+)$|;
    $name_of_map = $1;
     }      }
       return ($name_of_resource,$name_of_sequence,$name_of_map);
   }
   
     function uncheckall() {  
  for (i=0; i<document.forms.printform.elements.length; i++) {  sub latex_corrections {
             if       my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
           (document.forms.printform.elements[i].name.indexOf('whomtoprint')==0) {  #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
       document.forms.printform.elements[i].checked=false;      $result =~ s/\$number_of_columns/$number_of_columns/g;
             }      if ($selectionmade eq '1' || $answer_mode eq 'only') {
         }   $result =~ s/(\\end{document})/\\strut\\vskip 0 mm\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;
       } else {
    $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;
     }      }
 </script>      $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
 <input type=button onClick="checkall()" value="Check All">&nbsp;      $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
 <input type=button onClick="checksec()" value="Type Section/Group then click">  #-- LaTeX corrections     
 <input type=text size=5 name=chksec>&nbsp;      my $first_comment = index($result,'<!--',0);
 <input type=button onClick="uncheckall()" value="Uncheck">      while ($first_comment != -1) {
 <p>   my $end_comment = index($result,'-->',$first_comment);
 ENDDISHEADER   substr($result,$first_comment,$end_comment-$first_comment+3) = '';
     my $i = 0;   $first_comment = index($result,'<!--',$first_comment);
     foreach (sort keys %courselist) {  
         my ($end,$start)=split(/\:/,$courselist{$_});  
         my $active=1;  
         if (($end) && ($now>$end)) { $active=0; }  
         if ($active) {  
            my ($sname,$sdom)=split(/\:/,$_);  
            my %reply=&Apache::lonnet::get('environment',  
               ['firstname','middlename','lastname','generation'],  
               $sdom,$sname);  
            my $section=&Apache::lonnet::usection  
        ($sdom,$sname,$ENV{'request.course.id'});  
            $r->print(  
         '<br /><input type=checkbox name="whomtoprint'.$i.'" value="'.$section.':'.$_.'"> '.  
       $reply{'firstname'}.' '.   
                       $reply{'middlename'}.' '.  
                       $reply{'lastname'}.' '.  
                       $reply{'generation'}.  
                       ' ('.$_.') '.$section);  
    $i++;  
         }   
     }      }
     $r->print(<<ENDMENUOUT2);      $result =~ s/^\s+$//gm; #remove empty lines
 <br />Number of blank pages to add: <select name="addedpages"><option selected>0</option>      #removes more than one empty space
                                                               <option>1</option>      $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
                                                               <option>2</option>      $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                                                               <option>3</option>      $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                                     </select>      $result =~ s/{\\par }\s*\\\\/\\\\/gm;
 <br />       $result =~ s/\\\\\s+\[/ \[/g;
 <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">      #conversion of html characters to LaTeX equivalents
 <input type="hidden" name="numberofstudents" value="$i">      if ($result =~ m/&(\w+|#\d+);/) {
 <input type="hidden" name="phase" value="three">   $result = &character_chart($result);
 <input type="submit" value="Submit">      }
 ENDMENUOUT2      $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
       $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
       return $result;
 }  }
   
   
 sub additional_print_menu {   sub index_table {
     my $r = shift;      my $currentURL = shift;
     my $what_to_print = '';      my $insex_string='';
     for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {      $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
  $what_to_print .= '<input type="hidden" name="whomtoprint'.$i.'" value="'.$ENV{'form.whomtoprint'.$i}.'">';      $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
     }      return $insex_string;
     for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) {  
  $what_to_print .= '<input type="hidden" name="whattoprint'.$i.'" value="'.$ENV{'form.whattoprint'.$i}.'">';  
     }  
     for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) {  
  $what_to_print .= '<input type="hidden" name="whatfile'.$i.'" value="'.$ENV{'form.whatfile'.$i}.'">';  
     }  
     $r->print(<<ENDMENUOUT);  
     $what_to_print  
 <input type="hidden" name="url" value="$ENV{'form.url'}">  
 <input type="hidden" name="choice" value="$ENV{'form.choice'}">  
 <input type="hidden" name="layout" value="$ENV{'form.layout'}">  
 <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">  
 <input type="hidden" name="numberofstudents" value="$ENV{'form.numberofstudents'}">  
 <input type="hidden" name="numberofproblems" value="$ENV{'form.numberofproblems'}">  
 <input type="hidden" name="numberoffiles" value="$ENV{'form.numberoffiles'}">  
 <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">  
 <input type="hidden" name="assignment" value="$ENV{'form.assignment'}">  
 <input type="hidden" name="addedpages" value="$ENV{'form.addedpages'}">  
 Define one column layout parameters: <br />  
 <b>Width</b>: <input type="text" name="width" width="8" value="9cm"> <br />  
 <b>Height</b>: <input type="text" name="height" width="8" value="25.9cm"> <br />  
 <b>Left margin</b>: <input type="text" name="leftmargin" width="8" value="-0.57in"> <br />  
 <input type="hidden" name="phase" value="four">  
 <input type="submit" value="Submit">  
 </form>  
 </body>  
 </html>  
 ENDMENUOUT  
 }  }
   
   
 sub output_data {  sub IndexCreation {
     my $r = shift;      my ($texversion,$currentURL)=@_;
     $r->print(<<ENDPART);      my @key_words=split(/,/,&index_table($currentURL));
 <html>      my $chunk='';
 <head>      my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
 <title>LON-CAPA output for printing</title>      if ($st>0) {
 </head>   for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
 <body bgcolor="FFFFFF">   $chunk=substr($texversion,0,$st+1);
 <hr>   substr($texversion,0,$st+1)=' ';
 ENDPART      }
       foreach my $key_word (@key_words) {
    if ($key_word=~/\S+/) {
       $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
    }
       }
       if ($st>0) {substr($texversion,0,1)=$chunk;}
       return $texversion;
   }
   
     my $choice = $ENV{'form.choice'};  sub print_latex_header {
     my $layout = $ENV{'form.layout'};      my $mode=shift;
     my $numberofcolumns = $ENV{'form.numberofcolumns'};        my $output='\documentclass[letterpaper,twoside]{article}';
     my $papersize = $ENV{'form.papersize'};                if (($mode eq 'batchmode') || (!$perm{'pav'})) {
     my $laystyle = 'book';   $output.='\batchmode';
     my $assignment =  $ENV{'form.assignment'};      }
     if ($choice eq 'Subdirectory print') {      $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
  if ($ENV{'form.layout'} eq '') {$layout = 'CAPA';}         '\usepackage{multirow}'."\n".
  if ($ENV{'form.papersize'} eq '') {$papersize = 'Letter [8 1/2x11 in]';}       '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
  if ($ENV{'form.numberofcolumns'} eq '') {$numberofcolumns = 2;}       '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
     }       '\usepackage{wrapfig}'.
     if (($choice eq 'Standard LaTeX output for current document') &&       '\usepackage{picins}\usepackage{calc}'."\n".
  ($ENV{'form.url'}=~m|^/~|)) {       '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
  if ($ENV{'form.layout'} eq '') {$layout = 'CAPA';}       '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
  if ($ENV{'form.papersize'} eq '') {$papersize = 'Letter [8 1/2x11 in]';}       '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
  if ($ENV{'form.numberofcolumns'} eq '') {$numberofcolumns = 2;}       '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
     }       '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
     my $result = '';       '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
     my $number_of_columns = 1; #used only for pages to determine the width of the cell       '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
     my $selectionmade = '';       '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns);       '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
     if ($numberofcolumns == 1) {       '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
  $textwidth=$ENV{'form.width'};       '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
  $textheight=$ENV{'form.height'};       '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
        '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
       return $output;     
   }
   
   sub path_to_problem {
       my ($urlp,$colwidth)=@_;
       $urlp=&Apache::lonnet::clutter($urlp);
   
       my $newurlp = '';
       $colwidth=~s/\s*mm\s*$//;
   #characters average about 2 mm in width
       if (length($urlp)*2 > $colwidth) {
    my @elements = split('/',$urlp);
    my $curlength=0;
    foreach my $element (@elements) {
       if ($element eq '') { next; }
       if ($curlength+(length($element)*2) > $colwidth) {
    $newurlp .=  '|\vskip -1 mm \verb|';
    $curlength=length($element)*2;
       } else {
    $curlength+=length($element)*2;
       }
       $newurlp.='/'.$element;
    }
       } else {
    $newurlp=$urlp;
     }      }
     my $LaTeXwidth;       return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
     if ($textwidth=~/(\d+\s*cm)/) {  }
   
   sub recalcto_mm {
       my $textwidth=shift;
       my $LaTeXwidth;
       if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
  $LaTeXwidth = $1*10;   $LaTeXwidth = $1*10;
     } elsif ($textwidth=~/(\d+\s*mm)/) {      } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
  $LaTeXwidth = $1;   $LaTeXwidth = $1;
       } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
    $LaTeXwidth = $1*25.4;
       }
       $LaTeXwidth.=' mm';
       return $LaTeXwidth;
   }
   
   sub get_textwidth {
       my ($helper,$LaTeXwidth)=@_;
       my $textwidth=$LaTeXwidth;
       if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
    $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
    $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
    $helper->{'VARS'}->{'pagesize.widthunit'});
       }
       return $textwidth;
   }
   
   
   sub unsupported {
       my ($currentURL,$mode,$symb)=@_;
       if ($mode ne '') {$mode='\\'.$mode}
       my $result.= &print_latex_header($mode);
       if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
    $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
    my $title=&Apache::lonnet::gettitle($symb);
    $title = &Apache::lonxml::latex_special_symbols($title);
    $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
       } else {
    $result.=$currentURL;
       }
       $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
       return $result;
   }
   
   
   #
   # List of recently generated print files
   #
   sub recently_generated {
       my $r=shift;
       my $prtspool=$r->dir_config('lonPrtDir');
       my $zip_result;
       my $pdf_result;
       opendir(DIR,$prtspool);
   
       my @files = 
    grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
       closedir(DIR);
   
       @files = sort {
    my ($actime) = (stat($prtspool.'/'.$a))[10];
    my ($bctime) = (stat($prtspool.'/'.$b))[10];
    return $bctime <=> $actime;
       } (@files);
   
       foreach my $filename (@files) {
    my ($ext) = ($filename =~ m/(pdf|zip)$/);
    my ($cdev,$cino,$cmode,$cnlink,
       $cuid,$cgid,$crdev,$csize,
       $catime,$cmtime,$cctime,
       $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
    my $result="<a href='/prtspool/$filename'>".
       &mt('Generated [_1] ([_2] bytes)',
    &Apache::lonlocal::locallocaltime($cctime),$csize).
    '</a><br />';
    if ($ext eq 'pdf') { $pdf_result .= $result; }
    if ($ext eq 'zip') { $zip_result .= $result; }
       }
       if ($zip_result) {
    $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
     .$zip_result);
       }
       if ($pdf_result) {
    $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
     .$pdf_result);
     }      }
     if ($choice eq 'Standard LaTeX output for current document') {  }
       #-- single document - problem, page, html, xml    
       $selectionmade = 1;  #
       if ($ENV{'form.url'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {  #   Retrieve the hash of page breaks.
         my %moreenv;  #
         $moreenv{'form.grade_target'}='tex';  #  Inputs:
         if (&Apache::lonnet::allowed('bre',$ENV{'form.url'})) {  #    helper   - reference to helper object.
   $ENV{'form.url'}=~s/http:\/\/[^\/]+//;  #  Outputs
   #    A reference to a page break hash.
   #
   #
   #use Data::Dumper;
   #sub dump_helper_vars {
   #    my ($helper) = @_;
   #    my $helpervars = Dumper($helper->{'VARS'});
   #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
   #}
   
   sub get_page_breaks  {
       my ($helper) = @_;
       my %page_breaks;
   
       foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
    $page_breaks{$break} = 1;
       }
       return %page_breaks;
   }
   
   sub output_data {
       my ($r,$helper,$rparmhash) = @_;
       my %parmhash = %$rparmhash;
       my $resources_printed = '';
       my $js = <<ENDPART;
   <script type="text/javascript">
       var editbrowser;
       function openbrowser(formname,elementname,only,omit) {
           var url = '/res/?';
           if (editbrowser == null) {
               url += 'launch=1&';
         }          }
         $moreenv{'request.filename'}=$ENV{'form.url'};          url += 'catalogmode=interactive&';
         $moreenv{'form.textwidth'}=$LaTeXwidth;          url += 'mode=parmset&';
         &Apache::lonnet::appenv(%moreenv);          url += 'form=' + formname + '&';
         my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});          if (only != null) {
         &Apache::lonnet::delenv('form.grade_target','form.textwidth','form.counter');              url += 'only=' + only + '&';
         $result .= $texversion;          } 
         if ($ENV{'form.url'}=~m/\.page\s*$/) {          if (omit != null) {
   ($result,$number_of_columns) = &page_cleanup($result);              url += 'omit=' + omit + '&';
         }          }
       } else {          url += 'element=' + elementname + '';
   $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';          var title = 'Browser';
   if ($ENV{'form.url'}=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {          var options = 'scrollbars=1,resizable=1,menubar=0';
       $result.=$1;          options += ',width=700,height=600';
   } else {          editbrowser = open(url,title,options,'1');
       $result.=$ENV{'form.url'};          editbrowser.focus();
   }      }
   $result.=' \end{document}'  </script>
       }  ENDPART
     } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or   
              $choice eq 'Standard LaTeX output for whole primary sequence') {      my $start_page  = &Apache::loncommon::start_page('Preparing Printout',$js);
       #-- minimal sequence to which the current document belongs      my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
         #-- where is the primary sequence containing file?  
         my @master_seq = ();      $r->print($start_page."\n<p>\n$msg\n</p>\n");
  for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) {  
     if ($ENV{'form.whatfile'.$i}=~/\S/) {      # fetch the pagebreaks and store them in the course environment
  push @master_seq,$ENV{'form.whatfile'.$i};      # The page breaks will be pulled into the hash %page_breaks which is
     }      # indexed by symb and contains 1's for each break.
  }  
         #-- produce an output string      $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
  my $flag_latex_header_remove = 'NO';      $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
  my $flag_page_in_sequence = 'NO';      &Apache::loncommon::store_course_settings('print',
  for (my $i=0;$i<=$#master_seq;$i++) {        {'pagebreaks'    => 'scalar',
            my ($urlp,$symb) = split /&&/, $master_seq[$i];         'lastprinttype' => 'scalar'});
     if ($choice eq 'Standard LaTeX output for the primary sequence') {  
               $selectionmade = 2;      my %page_breaks  = &get_page_breaks($helper);
     } elsif ($choice eq 'Standard LaTeX output for whole primary sequence') {  
               $selectionmade = 3;      my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
     }      my ($result,$selectionmade) = ('','');
    my %moreenv;      my $number_of_columns = 1; #used only for pages to determine the width of the cell
    $moreenv{'form.grade_target'}='tex';      my @temporary_array=split /\|/,$format_from_helper;
    $moreenv{'form.textwidth'}=$LaTeXwidth;      my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
    &Apache::lonnet::appenv(%moreenv);      if ($laystyle eq 'L') {
    #&Apache::lonnet::logthis("Trying to get $urlp with symb $symb");   $laystyle='album';
    my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));      } else {
    &Apache::lonnet::delenv('form.grade_target','form.textwidth');   $laystyle='book';
    if ($urlp =~ m/\.page/) {      }
      ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);      my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
      if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}       my $assignment =  $env{'form.assignment'};
      $texversion =~ s/\\end{document}\d*/\\end{document}/;      my $LaTeXwidth=&recalcto_mm($textwidth); 
      $flag_page_in_sequence = 'YES';      my @print_array=();
    }       my @student_names=();
    if ($flag_latex_header_remove ne 'NO') {  
      $texversion = &latex_header_footer_remove($texversion);      #  Common settings for the %form has:
    } else {      # In some cases these settings get overriddent by specific cases, but the
      $texversion =~ s/\\end{document}//;      # settings are common enough to make it worthwhile factoring them out
    }      # here.
    $result .= $texversion;               #
    $flag_latex_header_remove = 'YES';         my %form;
  }      $form{'grade_target'} = 'tex';
  &Apache::lonnet::delenv('form.counter');      $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
  if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}  
  $result .= '\end{document}';      # If form.showallfoils is set, then request all foils be shown:
     }  elsif ($choice eq 'Standard LaTeX output for the top level sequence') {      # privilege will be enforced both by not allowing the 
         # where is the main sequence of the course?      # check box selecting this option to be presnt unless it's ok,
  $selectionmade = 4;      # and by lonresponse's priv. check.
  my $main_seq;      # The if is here because lonresponse.pm only cares that
  if ($ENV{'request.course.uri'}=~/\/?uploaded\//) {      # showallfoils is defined, not what the value is.
     $main_seq = $ENV{'request.course.uri'};  
       if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
       }
   
       if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
         #-- single document - problem, page, html, xml, ...
    my ($currentURL,$cleanURL);
   
    if ($helper->{'VARS'}->{'construction'} ne '1') {
               #prints published resource
       $currentURL=$helper->{'VARS'}->{'postdata'};
       $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
  } else {   } else {
     $main_seq = '/res/'.$ENV{'request.course.uri'};              #prints resource from the construction space
       $currentURL='/'.$helper->{'VARS'}->{'filename'};
       if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
       $cleanURL=$currentURL;
  }   }
  my @file_seq = &coming_from_hash_whole($main_seq);   $selectionmade = 1;
  my $flag_latex_header_remove = 'NO';   if ($cleanURL!~m|^/adm/|
         #-- produce an output string      && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
  for (my $i=0;$i<=$#file_seq;$i++) {      my $rndseed=time;
    if (not $file_seq[$i]=~/^&&/) {      my $texversion='';
      my ($urlp,$symb) = split /&&/, $file_seq[$i];      if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
      $urlp=~s/\/home\/httpd\/html//;      
      if ($urlp=~m/\.(problem|exam|quiz|assess|survey|form|library)/) {  
  my %moreenv;   my %moreenv;
  $moreenv{'form.grade_target'}='tex';   $moreenv{'request.filename'}=$cleanURL;
  $moreenv{'form.textwidth'}=$LaTeXwidth;   if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
       $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
       my $dom = $env{'user.domain'};
       my $user = $env{'user.name'};
       my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
    }
                   if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
    if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
    if ($helper->{'VARS'}->{'curseed'}) {
       $rndseed=$helper->{'VARS'}->{'curseed'};
    }
    $form{'rndseed'}=$rndseed;
  &Apache::lonnet::appenv(%moreenv);   &Apache::lonnet::appenv(%moreenv);
  my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));  
  &Apache::lonnet::delenv('form.grade_target','form.textwidth');       &Apache::lonxml::clear_problem_counter();
  if ($flag_latex_header_remove ne 'NO') {  
     $texversion = &latex_header_footer_remove($texversion);   $resources_printed .= $currentURL.':';
    $texversion.=&Apache::lonnet::ssi($currentURL,%form);
   
    &Apache::lonxml::clear_problem_counter();
   
    &Apache::lonnet::delenv('request.filename');
       }
       # current document with answers.. no need to encap in minipage
       #  since there's only one answer.
   
       if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
          ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
    $form{'grade_target'}='answer';
    $form{'answer_output_mode'}='tex';
    $form{'rndseed'}=$rndseed;
                   if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
       $form{'problemtype'}='exam';
    }
    $resources_printed .= $currentURL.':';
    my $answer=&Apache::lonnet::ssi($currentURL,%form);
    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
       $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
  } else {   } else {
     $texversion =~ s/\\end{document}//;      $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
       if ($helper->{'VARS'}->{'construction'} ne '1') {
    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
    $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
       } else {
    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
    my $URLpath=$cleanURL;
    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
       }
       $texversion.='\vskip 1 mm '.$answer.'\end{document}';
  }   }
  $result .= $texversion;    
  $flag_latex_header_remove = 'YES';  
      }  
    }  
  }      
  $result .= '\end{document}';  
     } elsif ($choice eq 'All class print') {   
     #-- prints assignments for whole class or for selected students    
  $selectionmade = 5;  
         my @students = ();  
  for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {  
     if ($ENV{'form.whomtoprint'.$i}=~/:/) {  
  push @students,$ENV{'form.whomtoprint'.$i};  
     }      }
  }      if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
  #where is the primary sequence containing current resource (the same for all students)?   $texversion=&IndexCreation($texversion,$currentURL);
  my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});      }
  my @sequence = split('___',$symbolic);      if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
  my $primary_sequence = '/res/'.$sequence[0];   $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
  my @master_seq = &coming_from_hash($primary_sequence,$sequence[0]);   
         #loop over students      }
  my $flag_latex_header_remove = 'NO';       $result .= $texversion;
  my %moreenv;      if ($currentURL=~m/\.page\s*$/) {
  $moreenv{'form.textwidth'}=$LaTeXwidth;   ($result,$number_of_columns) = &page_cleanup($result);
  &Apache::lonnet::appenv(%moreenv);      }
  foreach my $person (@students) {          } elsif ($cleanURL!~m|^/adm/|
     my $current_output = '';    && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
     my ($usersection,$username,$userdomain) = split /:/,$person;              #printing content of sequence from the construction space
     my $fullname = &Apache::grades::get_fullname($username,$userdomain);      my $flag_latex_header_remove = 'NO'; 
             #goes through all resources, checks if they are available for current student, and produces output         my $rndseed=time;
     foreach my $curresline (@master_seq)  {      if ($helper->{'VARS'}->{'curseed'}) {
  my ($curres,$symb) = split /&&/, $curresline;   $rndseed=$helper->{'VARS'}->{'curseed'};
                 if ($curres=~ m/\.(problem|exam|quiz|assess|survey|form|library)/) {      }
     my ($map,$id,$res_url) = split(/___/,$symb);      $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
     if (&Apache::lonnet::allowed('bre',$res_url)) {      my $errtext=&Apache::lonratedt::mapread($currentURL);
  my $rendered = &Apache::loncommon::get_student_view($symb,$username,$userdomain,      for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                                                                         $ENV{'request.course.id'},'tex');   $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
  if ($flag_latex_header_remove eq 'YES') {   my $urlp=$2;
     $rendered = &latex_header_footer_remove($rendered);   if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
       my $texversion='';
       if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    $form{'rndseed'}=$rndseed;
    $resources_printed .=$urlp.':';
    $texversion=&Apache::lonnet::ssi($urlp,%form);
       }
       if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
          ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
          ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
    #  Don't permanently modify %$form...
    my %answerform = %form;
    $answerform{'grade_target'}='answer';
    $answerform{'answer_output_mode'}='tex';
    $answerform{'rndseed'}=$rndseed;
    $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                           if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
    $resources_printed .= $urlp.':';
    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
       $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
  } else {   } else {
     $rendered =~ s/\\end{document}//;      # If necessary, encapsulate answer in minipage:
   
       $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
       my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
       $body.=&path_to_problem($urlp,$LaTeXwidth);
       $body.='\vskip 1 mm '.$answer.'\end{document}';
       $body = &encapsulate_minipage($body);
       $texversion.=$body;
  }   }
  $current_output .= $rendered;  
     }      }
       if ($flag_latex_header_remove ne 'NO') {
    $texversion = &latex_header_footer_remove($texversion);
       } else {
    $texversion =~ s/\\end{document}//;
       }
       if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
    $texversion=&IndexCreation($texversion,$urlp);
       }
       if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
       }
       $result.=$texversion;
     $flag_latex_header_remove = 'YES';      $flag_latex_header_remove = 'YES';
    } elsif ($urlp=~/\.(sequence|page)$/) {
       $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
    }  
       }
       if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
       $result .= '\end{document}';   
    } elsif ($cleanURL=~/\/(smppg|grppg|syllabus|aboutme|bulletinboard)$/) { 
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
    $resources_printed .= $currentURL.':';
    my $texversion=&Apache::lonnet::ssi($currentURL,%form);
    $result .= $texversion;
    } else {
       $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
     $helper->{'VARS'}->{'symb'});
    }
       } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
                ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
        ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
        ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
           #-- produce an output string
    if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
       $selectionmade = 2;
    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
       $selectionmade = 3;
    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
       $selectionmade = 4;
    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
       $selectionmade = 4;
    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
       $selectionmade = 7;
    }
    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
    if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
    my $flag_latex_header_remove = 'NO';
    my $flag_page_in_sequence = 'NO';
    my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
    my $prevassignment='';
   
    &Apache::lonxml::clear_problem_counter();
   
    my $pbreakresources = keys %page_breaks;
    for (my $i=0;$i<=$#master_seq;$i++) {
   
       # Note due to document structure, not allowed to put \newpage
       # prior to the first resource
   
       if (defined $page_breaks{$master_seq[$i]}) {
    if($i != 0) {
       $result.="\\newpage\n";
  }   }
     }      }
     if ($current_output=~/\\documentclass/) {      my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
  my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};      $urlp=&Apache::lonnet::clutter($urlp);
  $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm}\\setlength{\\headheight}{1cm}\\setlength{\\headsep}{0.5cm}\\pagestyle{myheadings}\\markboth{}{{$courseidinfo  - $assignment}}\\begin{document}\\noindent\\textit{\\textbf{$fullname}}\\vskip 3 mm /;      $form{'symb'}=$master_seq[$i];
   
       my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
       if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
       if ($i==0) {$prevassignment=$assignment;}
       my $texversion='';
       if ($urlp!~m|^/adm/|
    && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
    $resources_printed .= $urlp.':';
   
    &Apache::lonxml::remember_problem_counter();
    $texversion.=&Apache::lonnet::ssi($urlp,%form);
    if ($urlp=~/\.page$/) {
       ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
       if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
       $texversion =~ s/\\end{document}\d*/\\end{document}/;
       $flag_page_in_sequence = 'YES';
    } 
   
    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
      ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
       #  Don't permanently pervert the %form hash
       my %answerform = %form;
       $answerform{'grade_target'}='answer';
       $answerform{'answer_output_mode'}='tex';
       $resources_printed .= $urlp.':';
   
       &Apache::lonxml::restore_problem_counter();
       my $answer=&Apache::lonnet::ssi($urlp,%answerform);
   
       if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
       } else {
    if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
       $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
       my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm ';
       $body   .= &path_to_problem ($urlp,$LaTeXwidth);
       $body   .='\vskip 1 mm '.$answer;
       $body    = &encapsulate_minipage($body);
       $texversion .= $body;
    } else {
       $texversion='';
    }
       }
    }
    if ($flag_latex_header_remove ne 'NO') {
       $texversion = &latex_header_footer_remove($texversion);
    } else {
       $texversion =~ s/\\end{document}//;
    }
    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
       $texversion=&IndexCreation($texversion,$urlp);
    }
    if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
       my $name = &get_name();
       my $courseidinfo = &get_course();
       if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
       $prevassignment=$assignment;
       my $header_text = $parmhash{'print_header_format'};
       $header_text    = &format_page_header($header_text,
     $assignment, 
     $courseidinfo, 
     $name);
       if ($numberofcolumns eq '1') {
    $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
       } else {
    $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
       }
    }
    $result .= $texversion;
    $flag_latex_header_remove = 'YES';   
       } elsif ($urlp=~/\/(smppg|grppg|syllabus|aboutme|bulletinboard)$/) { 
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
    $resources_printed .= $urlp.':';
    my $texversion=&Apache::lonnet::ssi($urlp,%form);
    if ($flag_latex_header_remove ne 'NO') {
       $texversion = &latex_header_footer_remove($texversion);
    } else {
       $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
    }
    $result .= $texversion;
    $flag_latex_header_remove = 'YES'; 
     } else {      } else {
  my $blanspages = '';   $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
  for (my $j=0;$j<$ENV{'form.addedpages'};$j++) {$blanspages.='\clearpage\strut\clearpage';}   $master_seq[$i]);
  $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License } \\vskip 3mm'.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\textit{\textbf{'.$fullname.'}}\hskip 1.4in } \vskip 5 mm '.$current_output;   if ($flag_latex_header_remove ne 'NO') {
     }      $texversion = &latex_header_footer_remove($texversion);
     $result .= $current_output;   } else {
     &Apache::lonnet::delenv('form.counter');      $texversion =~ s/\\end{document}//;
    }
    $result .= $texversion;
    $flag_latex_header_remove = 'YES';   
       }    
       if (&Apache::loncommon::connection_aborted($r)) { last; }
  }   }
    &Apache::lonxml::clear_problem_counter();
    if ($flag_page_in_sequence eq 'YES') {
       $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
    }
  $result .= '\end{document}';   $result .= '\end{document}';
  &Apache::lonnet::delenv('form.textwidth');       } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
     } elsif ($choice eq 'Subdirectory print') {              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
   
   
        #-- prints assignments for whole class or for selected students  
    my $type;
    if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
        $selectionmade=5;
        $type='problems';
    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
        $selectionmade=8;
        $type='resources';
    }
    my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
    #   The normal sort order is by section then by students within the
    #   section. If the helper var student_sort is 1, then the user has elected
    #   to override this and output the students by name.
    #    Each element of the students array is of the form:
    #       username:domain:section:last, first:status
    #    
    #  Note that student sort is not compatible with printing 
    #  1 section per pdf...so that setting overrides.
    #   
    if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
        ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
        @students = sort compare_names  @students;
    }
    &adjust_number_to_print($helper);
   
            if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
        $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
        $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
    }
    # If we are splitting on section boundaries, we need 
    # to remember that in split_on_sections and 
    # print all of the students in the list.
    #
    my $split_on_sections = 0;
    if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
        $split_on_sections = 1;
        $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
    }
    my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
   
    #loop over students
    my $flag_latex_header_remove = 'NO'; 
    my %moreenv;
            $moreenv{'instructor_comments'}='hide';
    $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
    $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
    $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
    $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
    if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
    my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
    my $student_counter=-1;
    my $i = 0;
    my $last_section = (split(/:/,$students[0]))[2];
    foreach my $person (@students) {
   
                my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
        if (-e $duefile) {
    my $temp_file = Apache::File->new('>>'.$duefile);
    print $temp_file "1969\n";
        }
        $student_counter++;
        if ($split_on_sections) {
    my $this_section = (split(/:/,$person))[2];
    if ($this_section ne $last_section) {
        $i++;
        $last_section = $this_section;
    }
        } else {
    $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
        }
        my ($output,$fullname, $printed)=&print_resources($r,$helper,
        $person,$type,
        \%moreenv,\@master_seq,
        $flag_latex_header_remove,
        $LaTeXwidth);
        $resources_printed .= ":";
        $print_array[$i].=$output;
        $student_names[$i].=$person.':'.$fullname.'_END_';
        &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
        $flag_latex_header_remove = 'YES';
        if (&Apache::loncommon::connection_aborted($r)) { last; }
    }
    &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
    $result .= $print_array[0].'  \end{document}';
        } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
         ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
    my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
    my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
    my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
    my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
    my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
    my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
    my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
   
    my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
    open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
    my ($code_type,$code_length)=('letter',6);
    foreach my $line (<FH>) {
        my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
        if ($name eq $code_option) {
    $code_length=$length;
    if ($type eq 'number') { $code_type = 'number'; }
        }
    }
    my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
    $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
            $moreenv{'instructor_comments'}='hide';
    my $seed=time+($$<<16)+($$);
    my @allcodes;
    if ($old_name) {
        my %result=&Apache::lonnet::get('CODEs',
        [$old_name,"type\0$old_name"],
        $cdom,$cnum);
        $code_type=$result{"type\0$old_name"};
        @allcodes=split(',',$result{$old_name});
        $num_todo=scalar(@allcodes);
    } elsif ($selected_code) { # Selection value is always numeric.
        $num_todo = 1;
        @allcodes = ($selected_code);
    } elsif ($single_code) {
   
        $num_todo    = 1; # Unconditionally one code to do.
        # If an alpha code have to convert to numbers so it can be
        # converted back to letters again :-)
        #
        if ($code_type ne 'number') {
    $single_code = &letters_to_num($single_code);
        }
        @allcodes = ($single_code);
    } else {
        my %allcodes;
        srand($seed);
        for (my $i=0;$i<$num_todo;$i++) {
    $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
       $code_type);
        }
        if ($code_name) {
    &Apache::lonnet::put('CODEs',
         {
    $code_name =>join(',',keys(%allcodes)),
    "type\0$code_name" => $code_type
         },
         $cdom,$cnum);
        }
        @allcodes=keys(%allcodes);
    }
    my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
    my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
    &adjust_number_to_print($helper);
    my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
    if ($number_per_page eq '0' || $number_per_page eq 'all') {
        $number_per_page=$num_todo;
    }
    my $flag_latex_header_remove = 'NO'; 
    my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
    my $count=0;
    foreach my $code (sort(@allcodes)) {
        my $file_num=int($count/$number_per_page);
        if ($code_type eq 'number') { 
    $moreenv{'CODE'}=$code;
        } else {
    $moreenv{'CODE'}=&num_to_letters($code);
        }
        my ($output,$fullname, $printed)=
    &print_resources($r,$helper,'anonymous',$type,\%moreenv,
     \@master_seq,$flag_latex_header_remove,
     $LaTeXwidth);
        $resources_printed .= ":";
        $print_array[$file_num].=$output;
        &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
          &mt('last assignment').' '.$fullname);
        $flag_latex_header_remove = 'YES';
        $count++;
        if (&Apache::loncommon::connection_aborted($r)) { last; }
    }
    &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
    $result .= $print_array[0].'  \end{document}';
        } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
     #prints selected problems from the subdirectory       #prints selected problems from the subdirectory 
  $selectionmade = 6;   $selectionmade = 6;
         my @list_of_files = ();          my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
  for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) {   @list_of_files=sort @list_of_files;
     if ($ENV{'form.whattoprint'.$i}=~/^\//) {   my $flag_latex_header_remove = 'NO'; 
  push @list_of_files,$ENV{'form.whattoprint'.$i};   my $rndseed=time;
     }   if ($helper->{'VARS'}->{'curseed'}) {
  }      $rndseed=$helper->{'VARS'}->{'curseed'};
  my $flag_latex_header_remove = 'NO';     }
  for (my $i=0;$i<=$#list_of_files;$i++) {   for (my $i=0;$i<=$#list_of_files;$i++) {
     my $urlp = $list_of_files[$i];      my $urlp = $list_of_files[$i];
       $urlp=~s|//|/|;
     if ($urlp=~/\//) {      if ($urlp=~/\//) {
  my %moreenv;   $form{'problem_split'}=$parmhash{'problem_stream_switch'};
  $moreenv{'form.grade_target'}='tex';   $form{'rndseed'}=$rndseed;
  $moreenv{'form.textwidth'}=$LaTeXwidth;  
  &Apache::lonnet::appenv(%moreenv);  
  if ($urlp =~ m|/home/([^/]+)/public_html|) {   if ($urlp =~ m|/home/([^/]+)/public_html|) {
     $urlp =~ s|/home/([^/]*)/public_html|/~$1|;      $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
    } else {
       $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
  }   }
  my $texversion=&Apache::lonnet::ssi($urlp);   $resources_printed .= $urlp.':';
  &Apache::lonnet::delenv('form.grade_target','form.textwidth');   my $texversion=&Apache::lonnet::ssi($urlp,%form);
                 #this chunck is responsible for printing the path to problem   if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
  my $newurlp = '';     ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
  my $HowMany = length($urlp)*2;      #  Don't permanently pervert %form:
  if ($HowMany > $LaTeXwidth) {      my %answerform = %form;
     my @temporrary = split '/',$urlp;      $answerform{'grade_target'}='answer';
     my $HowManyNew = 0;      $answerform{'answer_output_mode'}='tex';
     for (my $ii=0;$ii<=$#temporrary;$ii++) {      $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
  if ($temporrary[$ii] ne '') {      $answerform{'rndseed'}=$rndseed;
     $HowManyNew += length($temporrary[$ii])*2;      $resources_printed .= $urlp.':';
     if ($HowManyNew < $LaTeXwidth ) {      my $answer=&Apache::lonnet::ssi($urlp,%answerform);
  $newurlp .=  '/'.$temporrary[$ii];      if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
     } else {   $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
  $HowManyNew = 0;      } else {
  $newurlp .=  '|\vskip -1 mm \noindent \verb|';   $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
  $ii--;   if ($helper->{'VARS'}->{'construction'} ne '1') {
     }      $texversion.='\vskip 0 mm \noindent ';
       $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
    } else {
       $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
       my $URLpath=$urlp;
       $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
       $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
  }   }
    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
     }      }
  }   }
  $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 {\\small\\noindent\\verb|$newurlp\|\\vskip 0 mm}/;                  #this chunck is responsible for printing the path to problem
    my $newurlp=$urlp;
    if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
    $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
    $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
  if ($flag_latex_header_remove ne 'NO') {   if ($flag_latex_header_remove ne 'NO') {
     $texversion = &latex_header_footer_remove($texversion);      $texversion = &latex_header_footer_remove($texversion);
  } else {   } else {
     $texversion =~ s/\\end{document}//;      $texversion =~ s/\\end{document}//;
  }   }
    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
       $texversion=&IndexCreation($texversion,$urlp);
    }
    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
       $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
       
    }
  $result .= $texversion;   $result .= $texversion;
     }      }
     $flag_latex_header_remove = 'YES';        $flag_latex_header_remove = 'YES';  
  }   }
    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
  $result .= '\end{document}';         $result .= '\end{document}';      
     }      }
 #-------------------------------------------------------- corrections for the different page formats  #-------------------------------------------------------- corrections for the different page formats
     $result = &page_format_transformation($papersize,$layout,$numberofcolumns,$choice,$result,$assignment);      $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
     if ($layout eq 'CBI') {      $result = &latex_corrections($number_of_columns,$result,$selectionmade,
         $laystyle = 'album';   $helper->{'VARS'}->{'ANSWER_TYPE'});
     }      for (my $i=1;$i<=$#print_array;$i++) {
     $result = &latex_corrections($number_of_columns,$result);   $print_array[$i] = 
     #changes page's parameters for the one column output       &latex_corrections($number_of_columns,$print_array[$i],
     if ($ENV{'form.numberofcolumns'} == 1) {         $selectionmade, 
  $result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/;         $helper->{'VARS'}->{'ANSWER_TYPE'});
  $result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/;  
  $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/;  
  $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/;  
     }      }
       if ($numberofcolumns == 1) {
    $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
    $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
    $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
    $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
       }
   
 #-- writing .tex file in prtspool   #-- writing .tex file in prtspool 
     my $temp_file;      my $temp_file;
     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";      my $identifier = &Apache::loncommon::get_cgi_id();
     unless ($temp_file = Apache::File->new('>'.$filename)) {      my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
  $r->log_error("Couldn't open $filename for output $!");      if (!($#print_array>0)) { 
  return SERVER_ERROR;    unless ($temp_file = Apache::File->new('>'.$filename)) {
     }       $r->log_error("Couldn't open $filename for output $!");
     print $temp_file $result;      return SERVER_ERROR; 
 $r->print(<<FINALEND);   }
 <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">   print $temp_file $result;
 </body>   my $begin=index($result,'\begin{document}',0);
 </html>   my $inc=substr($result,0,$begin+16);
       } else {
    my $begin=index($result,'\begin{document}',0);
    my $inc=substr($result,0,$begin+16);
           for (my $i=0;$i<=$#print_array;$i++) {
       if ($i==0) {
    $print_array[$i]=$result;
       } else {
    my $anobegin=index($print_array[$i],'\setcounter{page}',0);
    substr($print_array[$i],0,$anobegin)='';
    $print_array[$i]=$inc.$print_array[$i].'\end{document}';
       }
       my $temp_file;
       my $newfilename=$filename;
       my $num=$i+1;
       $newfilename =~s/\.tex$//; 
       $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
       unless ($temp_file = Apache::File->new('>'.$newfilename)) {
    $r->log_error("Couldn't open $newfilename for output $!");
    return SERVER_ERROR; 
       }
       print $temp_file $print_array[$i];
    }
       }
       my $student_names='';
       if ($#print_array>0) {
    for (my $i=0;$i<=$#print_array;$i++) {
       $student_names.=$student_names[$i].'_ENDPERSON_';
    }
       } else {
    if ($#student_names>-1) {
       $student_names=$student_names[0].'_ENDPERSON_';
    } else {
       my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
       $student_names=join(':',$env{'user.name'},$env{'user.domain'},
    $env{'request.course.sec'},$fullname).
       '_ENDPERSON_'.'_END_';
    }
       }
   
       my $URLback=''; #link to original document
       if ($helper->{'VARS'}->{'construction'} ne '1') {
    #prints published resource
    $URLback=&escape('/adm/flip?postdata=return:');
       } else {
    #prints resource from the construction space
    $URLback='/'.$helper->{'VARS'}->{'filename'};
    if ($URLback=~/([^?]+)/) {
       $URLback=$1;
       $URLback=~s|^/~|/priv/|;
    }
       }
       # logic for now is too complex to trace if this has been defined
       #  yet.
       my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
       my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
       &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                               'cgi.'.$identifier.'.layout'  => $laystyle,
                               'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
       'cgi.'.$identifier.'.paper'  => $papersize,
                               'cgi.'.$identifier.'.selection' => $selectionmade,
       'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
       'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
       'cgi.'.$identifier.'.role' => $perm{'pav'},
                               'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                               'cgi.'.$identifier.'.studentnames' => $student_names,
                               'cgi.'.$identifier.'.backref' => $URLback,);
       &Apache::lonnet::appenv("cgi.$identifier.user"    => $env{'user.name'},
       "cgi.$identifier.domain"  => $env{'user.domain'},
       "cgi.$identifier.courseid" => $cnum, 
       "cgi.$identifier.coursedom" => $cdom, 
       "cgi.$identifier.resources" => $resources_printed);
   
       my $end_page = &Apache::loncommon::end_page();
       $r->print(<<FINALEND);
   <br />
   <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
   <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
   $end_page
 FINALEND  FINALEND
 }  }
   
   
 sub coming_from_hash_whole {  sub get_CODE {
       my ($all_codes,$num,$seed,$size,$type)=@_;
     my $mainsequence = shift;      my $max='1'.'0'x$size;
     my @resourcelist = ();      my $newcode;
     my $mapid = $hash{'map_pc_'.$mainsequence};      while(1) {
     my $mapstart = $hash{'map_start_'.$mainsequence};   $newcode=sprintf("%0".$size."d",int(rand($max)));
     my $mapfinish = $hash{'map_finish_'.$mainsequence};   if (!exists($$all_codes{$newcode})) {
     my $current_resource = $mapstart;      $$all_codes{$newcode}=1;
     while ($current_resource ne $mapfinish) {      if ($type eq 'number' ) {
  if ($hash{'src_'.$current_resource}=~/\.sequence$/) {   return $newcode;
     push @resourcelist,&coming_from_hash_whole($hash{'src_'.$current_resource});  
  } else {  
     my $presymb;   
     if ($mainsequence =~ /\/res\/(.*)$/) {$presymb = $1;}   
               elsif ($mainsequence =~ /\/?(uploaded\/(.*))$/) {$presymb = $1;}   
     my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};  
     if ($rid=~/,/) {  
  my @rid = split /,/, $rid;  
  foreach my $rid_element (@rid) {  
     if ($rid_element =~ m/^$mapid\.(\d*)/) {  
  $rid = $1;   
  last;  
     }  
  }  
     } else {      } else {
         $rid =~ m/^$mapid\.(\d*)/;   return &num_to_letters($newcode);
                 $rid = $1;    
     }      }
     $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/;  
     my $symb = $presymb.'___'.$rid.'___'.$1;      
     push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb;  
  }   }
  $current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}};  
     }      }
     return @resourcelist;  
 }  }
   
   sub print_resources {
       my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
    $LaTeXwidth)=@_;
       my $current_output = ''; 
       my $printed = '';
       my ($username,$userdomain,$usersection) = split /:/,$person;
       my $fullname = &get_name($username,$userdomain);
       my $namepostfix;
       if ($person =~ 'anon') {
    $namepostfix="\\\\Name: ";
    $fullname = "CODE - ".$moreenv->{'CODE'};
       }
       #  Fullname may have special latex characters that need \ prefixing:
       #
   
       my $i           = 0;
       #goes through all resources, checks if they are available for 
       #current student, and produces output   
   
       &Apache::lonxml::clear_problem_counter();
       my %page_breaks  = &get_page_breaks($helper);
       my @format_array = split(/\|/,$helper->{'VARS'}->{'FORMAT'});
       my $columns_in_format = $format_array[1];
       #
       #   end each student with a 
       #   Special that allows the post processor to even out the page
       #   counts later.  Nasty problem this... it would be really
       #   nice to put the special in as a postscript comment
       #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
       #   The special gets passed the \ and dvips puts it in the output file
       #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
       #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
       #
   
       foreach my $curresline (@{$master_seq})  {
    if (defined $page_breaks{$curresline}) {
       if($i != 0) {
    $current_output.= "\\newpage\n";
       }
    }
    $i++;
    if ( !($type eq 'problems' && 
          ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
       my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
       if (&Apache::lonnet::allowed('bre',$res_url)) {
    if ($res_url!~m|^ext/|
       && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
       $printed .= $curresline.':';
   
       &Apache::lonxml::remember_problem_counter();    
   
       my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
   
       if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
          ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
    #   Use a copy of the hash so we don't pervert it on future loop passes.
    my %answerenv = %{$moreenv};
    $answerenv{'answer_output_mode'}='tex';
    $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
   
    &Apache::lonxml::restore_problem_counter();
   
 sub coming_from_hash {   my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
   
     my ($mainsequence,$symb) = @_;   if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
     my @resourcelist = ();      $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
     my $mapid = $hash{'map_pc_'.$mainsequence};   } else {
     my $mapstart = $hash{'map_start_'.$mainsequence};  
     my $mapfinish = $hash{'map_finish_'.$mainsequence};      
     my ($presymb);      my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
     if ($symb) {      my $body   ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
  ($presymb)=split(/___/,$symb);      $body     .=&path_to_problem($res_url,$LaTeXwidth);    
     } else {      $body     .='\vskip 1 mm '.$ansrendered;
  $presymb=$mainsequence;      $body     = &encapsulate_minipage($body);
  $presymb=~s|^/res/||;      $rendered = $header.$body;
     }   }
     $presymb = $presymb.'___';      }
     my $current_resource = $mapstart;      if ($remove_latex_header eq 'YES') {
     while ($current_resource ne $mapfinish) {   $rendered = &latex_header_footer_remove($rendered);
  if (not $hash{'src_'.$current_resource}=~/\.sequence$/) {      } else {
     my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};   $rendered =~ s/\\end{document}//;
             if ($rid=~/,/) {      }
  my @rid = split /,/, $rid;      $current_output .= $rendered;    
  foreach my $rid_element (@rid) {   } elsif ($res_url=~/\/(smppg|grppg|syllabus|aboutme|bulletinboard)$/) {
     if ($rid_element =~ m/^$mapid\.(\d*)/) {      $printed .= $curresline.':';
  $rid = $1;       my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
  last;  
       if ($remove_latex_header eq 'YES') {
    $rendered = &latex_header_footer_remove($rendered);
       } else {
    $rendered =~ s/\\end{document}//;
     }      }
       $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
   
    } else {
       my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
       if ($remove_latex_header ne 'NO') {
    $rendered = &latex_header_footer_remove($rendered);
       } else {
    $rendered =~ s/\\end{document}//;
       }
       $current_output .= $rendered;
  }   }
     } else {  
  $rid =~ m/^$mapid\.(\d*)/;  
                 $rid = $1;    
     }      }
     $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/;      $remove_latex_header = 'YES';
     $symb = $presymb.$rid.'___'.$1;  
     push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb;  
  } else {  
     push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});  
  }   }
  $current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}};   if (&Apache::loncommon::connection_aborted($r)) { last; }
     }      }
     #needs if final resource in the map (type="finish") contains something      my $courseidinfo = &get_course();
     if (not $hash{'src_'.$current_resource}=~/\.sequence$/) {      if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
     my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};      if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
             if ($rid=~/,/) {      my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
  my @rid = split /,/, $rid;      my $HeaderLine = $parmhash{'print_header_format'};
  foreach my $rid_element (@rid) {      $HeaderLine = format_page_header($HeaderLine, $currentassignment, $courseidinfo, $fullname);
     if ($rid_element =~ m/^$mapid\.(\d*)/) {      &Apache::lonnet::logthis("Hdr format: $HeaderLine");
  $rid = $1;       if ($current_output=~/\\documentclass/) {
  last;   if ($columns_in_format == 1) {
     }      $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{$HeaderLine$namepostfix}}\\vskip 5 mm /;
  }   } else {
     } else {          $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fancyhead[LO]{$HeaderLine$namepostfix}}\\vskip 5 mm /;
  $rid =~ m/^$mapid\.(\d*)/;  
                 $rid = $1;     }
     }  
     $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/;  
     $symb = $presymb.$rid.'___'.$1;  
  push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb;  
     } else {      } else {
  push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});   my $blankpages = '';
    for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
    if ($columns_in_format == 1) {
       $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$HeaderLine.'}'.$namepostfix.'} \vskip 5 mm '.$current_output;
    } else {
      $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$HeaderLine.'}'.$namepostfix.'} \vskip 5 mm '.$current_output;
    }
     }      }
     return @resourcelist;      #
       #  Close the student bracketing.
       #
       $current_output .= "\n\\special{ps:ENDOFSTUDENTSTAMP}\n";
       return ($current_output,$fullname, $printed);
   
 }  }
   
   sub handler {
   
 sub latex_header_footer_remove {      my $r = shift;
       
       &init_perm();
   
   
   
       my $helper = printHelper($r);
       if (!ref($helper)) {
    return $helper;
       }
      
   
       %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
    
   
   
   
       #  If a figure conversion queue file exists for this user.domain
       # we delete it since it can only be bad (if it were good, printout.pl
       # would have deleted it the last time around.
   
       my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
       if(-e $conversion_queuefile) {
    unlink $conversion_queuefile;
       }
       &output_data($r,$helper,\%parmhash);
       return OK;
   } 
   
   use Apache::lonhelper;
   
   sub addMessage {
     my $text = shift;      my $text = shift;
     $text =~ s/\\end{document}//;      my $paramHash = Apache::lonhelper::getParamHash();
     $text =~ s/\\documentclass([^&]*)\\begin{document}//;      $paramHash->{MESSAGE_TEXT} = $text;
     return $text;      Apache::lonhelper::message->new();
 }  }
   
   
 sub character_chart {  
     my $result = shift;  sub init_perm {
     $result =~ s/&#0?0?7;//g;      undef(%perm);
     $result =~ s/&#0?0?9;//g;      $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
     $result =~ s/&#0?10;//g;      if (!$perm{'pav'}) {
     $result =~ s/&#0?13;//g;   $perm{'pav'}=&Apache::lonnet::allowed('pav',
     $result =~ s/&#0?32;/ /g;    $env{'request.course.id'}.'/'.$env{'request.course.sec'});
     $result =~ s/&#0?33;/!/g;      }
     $result =~ s/&#0?34;/"/g;      $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
     $result =~ s/&quot;/"/g;   #"      if (!$perm{'pfo'}) {
     $result =~ s/&#0?35;/\\#/g;   $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
 #    $result =~ s/&#0?36;/\\\$/g;    $env{'request.course.id'}.'/'.$env{'request.course.sec'});
     $result =~ s/&#0?37;/\\%/g;       }
     $result =~ s/&#0?38;/\\&/g;   
     $result =~ s/&amp;/\\&/g;  
     $result =~ s/&#0?39;/'/g;  
     $result =~ s/&#0?40;/(/g;  
     $result =~ s/&#0?41;/)/g;  
     $result =~ s/&#0?42;/\*/g;  
     $result =~ s/&#0?43;/\+/g;  
     $result =~ s/&#0?44;/,/g;  
     $result =~ s/&#0?45;/-/g;  
     $result =~ s/&#0?46;/\./g;  
     $result =~ s/&#0?47;/\//g;  
     $result =~ s/&#0?48;/0/g;  
     $result =~ s/&#0?49;/1/g;  
     $result =~ s/&#0?50;/2/g;  
     $result =~ s/&#0?51;/3/g;  
     $result =~ s/&#0?52;/4/g;  
     $result =~ s/&#0?53;/5/g;  
     $result =~ s/&#0?54;/6/g;  
     $result =~ s/&#0?55;/7/g;  
     $result =~ s/&#0?56;/8/g;  
     $result =~ s/&#0?57;/9/g;  
     $result =~ s/&#0?58;/:/g;  
     $result =~ s/&#0?59;/;/g;  
     $result =~ s/&#0?60;/\$<\$/g;  
     $result =~ s/&lt;/\$<\$/g;  
     $result =~ s/&#0?61;/\$=\$/g;  
     $result =~ s/&#0?62;/\$>\$/g;  
     $result =~ s/&gt;/\$>\$/g;  
     $result =~ s/&#0?63;/?/g;  
 #    $result =~ s/&#0?64;//g;  
     $result =~ s/&#0?65;/A/g;  
     $result =~ s/&#0?66;/B/g;  
     $result =~ s/&#0?67;/C/g;  
     $result =~ s/&#0?68;/D/g;  
     $result =~ s/&#0?69;/E/g;  
     $result =~ s/&#0?70;/F/g;  
     $result =~ s/&#0?71;/G/g;  
     $result =~ s/&#0?72;/H/g;  
     $result =~ s/&#0?73;/I/g;  
     $result =~ s/&#0?74;/J/g;  
     $result =~ s/&#0?75;/K/g;  
     $result =~ s/&#0?76;/L/g;  
     $result =~ s/&#0?77;/M/g;  
     $result =~ s/&#0?78;/N/g;  
     $result =~ s/&#0?79;/O/g;  
     $result =~ s/&#0?80;/P/g;  
     $result =~ s/&#0?81;/Q/g;  
     $result =~ s/&#0?82;/R/g;  
     $result =~ s/&#0?83;/S/g;  
     $result =~ s/&#0?84;/T/g;  
     $result =~ s/&#0?85;/U/g;  
     $result =~ s/&#0?86;/V/g;  
     $result =~ s/&#0?87;/W/g;  
     $result =~ s/&#0?88;/X/g;  
     $result =~ s/&#0?89;/Y/g;  
     $result =~ s/&#0?90;/Z/g;  
     $result =~ s/&#0?91;/[/g;  
     $result =~ s/&#0?92;/\\/g;  
     $result =~ s/&#0?93;/]/g;  
 #    $result =~ s/&#0?94;//g;  
 #    $result =~ s/&#0?95;//g;  
     $result =~ s/&#0?96;/`/g;  
     $result =~ s/&#0?97;/a/g;  
     $result =~ s/&#0?98;/b/g;  
     $result =~ s/&#0?99;/c/g;  
     $result =~ s/&#100;/d/g;  
     $result =~ s/&#101;/e/g;  
     $result =~ s/&#102;/f/g;  
     $result =~ s/&#103;/g/g;  
     $result =~ s/&#104;/h/g;  
     $result =~ s/&#105;/i/g;  
     $result =~ s/&#106;/j/g;  
     $result =~ s/&#107;/k/g;  
     $result =~ s/&#108;/l/g;  
     $result =~ s/&#109;/m/g;  
     $result =~ s/&#110;/n/g;  
     $result =~ s/&#111;/o/g;  
     $result =~ s/&#112;/p/g;  
     $result =~ s/&#113;/q/g;  
     $result =~ s/&#114;/r/g;  
     $result =~ s/&#115;/s/g;  
     $result =~ s/&#116;/t/g;  
     $result =~ s/&#117;/u/g;  
     $result =~ s/&#118;/v/g;  
     $result =~ s/&#119;/w/g;  
     $result =~ s/&#120;/x/g;  
     $result =~ s/&#121;/y/g;  
     $result =~ s/&#122;/z/g;  
     $result =~ s/&#123;/\\{/g;  
     $result =~ s/&#124;/\|/g;  
     $result =~ s/&#125;/\\}/g;  
     $result =~ s/&#126;/\~/g;  
     $result =~ s/&#130;/,/g;  
 #    $result =~ s/&#131;//g;  
     $result =~ s/&#132;/''/g;  
     $result =~ s/&#133;/\$\\ldots\$/g;  
     $result =~ s/&#134;/\$\\dagger\$/g;  
     $result =~ s/&#135;/\$\\ddagger\$/g;  
 #    $result =~ s/&#136;//g;  
 #    $result =~ s/&#137;//g;  
 #    $result =~ s/&#138;//g;  
     $result =~ s/&#139;/\$<\$/g;  
 #    $result =~ s/&#140;//g;  
     $result =~ s/&#145;/`/g;  
     $result =~ s/&#146;/'/g;  
     $result =~ s/&#147;/``/g;  
     $result =~ s/&#148;/''/g;  
     $result =~ s/&#149;/\$\\bullet\$/g;  
 #    $result =~ s/&#150;//g;  
 #    $result =~ s/&#151;//g;  
     $result =~ s/&#152;/~/g;  
 #    $result =~ s/&#153;//g;  
 #    $result =~ s/&#154;//g;  
     $result =~ s/&#155;/\$>\$/g;  
     $result =~ s/&#156;/\\{\\oe\\}/g;  
     $result =~ s/&#159;/\\"\\{Y\\}/g;  
     $result =~ s/&#160;//g;  
     $result =~ s/&nbsp;//g;  
     $result =~ s/&#161;/!`/g;  
     $result =~ s/&iexcl;/!`/g; #`  
 #    $result =~ s/&#162;//g;  
 #    $result =~ s/&cent;//g;  
     $result =~ s/&#163;/\\pounds/g;   
     $result =~ s/&pound;/\\pounds/g;  
 #    $result =~ s/&#164;//g;  
 #    $result =~ s/&curren;//g;  
 #    $result =~ s/&#165;//g;  
 #    $result =~ s/&yen;//g;  
 #    $result =~ s/&#166;//g;  
 #    $result =~ s/&brvbar;//g;  
 #    $result =~ s/&#167;//g;  
 #    $result =~ s/&sect;//g;  
 #    $result =~ s/&#168;//g;  
 #    $result =~ s/&uml;//g;  
     $result =~ s/&#169;/\\copyright/g;  
     $result =~ s/&copy;/\\copyright/g;  
 #    $result =~ s/&#170;//g;  
 #    $result =~ s/&ordf;//g;  
 #    $result =~ s/&#171;//g;  
 #    $result =~ s/&laquo;//g;  
     $result =~ s/&#172;/\$\\neg\$/g;  
     $result =~ s/&not;/\$\\neg\$/g;  
 #    $result =~ s/&#173;//g;  
 #    $result =~ s/&shy;//g;  
 #    $result =~ s/&#174;//g;  
 #    $result =~ s/&reg;//g;  
 #    $result =~ s/&#175;//g;  
 #    $result =~ s/&macr;//g;  
     $result =~ s/&#176;/\$^{\\circ}\$/g;  
     $result =~ s/&deg;/\$^{\\circ}\$/g;  
     $result =~ s/&#177;/\$\\pm\$/g;  
     $result =~ s/&plusmn;/\$\\pm\$/g;  
     $result =~ s/&#178;/\$^2\$/g;  
     $result =~ s/&sup2;/\$^2\$/g;  
     $result =~ s/&#179;/\$^3\$/g;  
     $result =~ s/&sup3;/\$^3\$/g;  
 #    $result =~ s/&#180;//g;  
 #    $result =~ s/&acute;//g;  
     $result =~ s/&#181;/\$\\mu\$/g;  
     $result =~ s/&micro;/\$\\mu\$/g;  
     $result =~ s/&#182;/\\P/g;  
     $result =~ s/&para;/\\P/g;  
     $result =~ s/&#183;/\$\\cdot\$/g;  
     $result =~ s/&middot;/\$\\cdot\$/g;  
 #    $result =~ s/&#184;//g;  
 #    $result =~ s/&cedil;//g;  
     $result =~ s/&#185;/\$^1\$/g;  
     $result =~ s/&sup1;/\$^1\$/g;  
 #    $result =~ s/&#186;//g;  
 #    $result =~ s/&ordm;//g;  
 #    $result =~ s/&#187;//g;  
 #    $result =~ s/&raquo;//g;  
 #    $result =~ s/&#188;//g;  
 #    $result =~ s/&frac14;//g;  
 #    $result =~ s/&#189;//g;  
 #    $result =~ s/&frac12;//g;  
 #    $result =~ s/&#190;//g;  
 #    $result =~ s/&frac34;//g;  
     $result =~ s/&#191;/?`/g;     
     $result =~ s/&iquest;/?`/g;      #`  
     $result =~ s/&#192;/\\`{A}/g;   
     $result =~ s/&Agrave;/\\`{A}/g;  #`   
     $result =~ s/&#193;/\\'{A}/g;   
     $result =~ s/&Aacute;/\\'{A}/g;  #'  
     $result =~ s/&#194;/\\^{A}/g;  
     $result =~ s/&Acirc;/\\^{A}/g;  
     $result =~ s/&#195;/\\~{A}/g;  
     $result =~ s/&Atilde;/\\~{A}/g;  
     $result =~ s/&#196;/\\"{A}/g;   
     $result =~ s/&Auml;/\\"{A}/g;    #"  
     $result =~ s/&#197;/{\\AA}/g;  
     $result =~ s/&Aring;/{\\AA}/g;  
     $result =~ s/&#198;/{\\AE}/g;  
     $result =~ s/&AElig;/{\\AE}/g;  
 #    $result =~ s/&#199;//g;  
 #    $result =~ s/&Ccedil;//g;  
     $result =~ s/&#200;/\\`{E}/g;    
     $result =~ s/&Egrave;/\\`{E}/g;  #`  
     $result =~ s/&#201;/\\'{E}/g;    #'  
     $result =~ s/&Eacute;/\\'{E}/g;  #'  
     $result =~ s/&#202;/\\^{E}/g;  
     $result =~ s/&Ecirc;/\\^{E}/g;  
     $result =~ s/&#203;/\\`{E}/g;  
     $result =~ s/&Euml;/\\`{E}/g;    #`  
     $result =~ s/&#204;/\\`{I}/g;  
     $result =~ s/&Igrave;/\\`{I}/g;  #`  
     $result =~ s/&#205;/\\'{I}/g;      
     $result =~ s/&Iacute;/\\'{I}/g;  #'  
     $result =~ s/&#206;/\\^{I}/g;  
     $result =~ s/&Icirc;/\\^{I}/g;  
     $result =~ s/&#207;/\\"{I}/g;      
     $result =~ s/&Iuml;/\\"{I}/g;    #"  
 #    $result =~ s/&#208;//g;  
 #    $result =~ s/&ETH;//g;  
     $result =~ s/&#209;/\\~{N}/g;  
     $result =~ s/&Ntilde;/\\~{N}/g;  
     $result =~ s/&#210;/\\`{O}/g;  
     $result =~ s/&Ograve;/\\`{O}/g;  #`  
     $result =~ s/&#211;/\\'{O}/g;  
     $result =~ s/&Oacute;/\\'{O}/g;  #'  
     $result =~ s/&#212;/\\^{O}/g;  
     $result =~ s/&Ocirc;/\\^{O}/g;  
     $result =~ s/&#213;/\\~{O}/g;  
     $result =~ s/&Otilde;/\\~{O}/g;  
     $result =~ s/&#214;/\\"{O}/g;      
     $result =~ s/&Ouml;/\\"{O}/g;    #"  
     $result =~ s/&#215;/\$\\times\$/g;  
     $result =~ s/&times;/\$\\times\$/g;  
     $result =~ s/&#216;/{\\O}/g;  
     $result =~ s/&Oslash;/{\\O}/g;  
     $result =~ s/&#217;/\\`{U}/g;      
     $result =~ s/&Ugrave;/\\`{U}/g;  #`  
     $result =~ s/&#218;/\\'{U}/g;    #'  
     $result =~ s/&Uacute;/\\'{U}/g;  #'  
     $result =~ s/&#219;/\\^{U}/g;  
     $result =~ s/&Ucirc;/\\^{U}/g;  
     $result =~ s/&#220;/\\"{U}/g;    #"  
     $result =~ s/&Uuml;/\\"{U}/g;    #"  
     $result =~ s/&#221;/\\'{Y}/g;  
     $result =~ s/&Yacute;/\\'{Y}/g;  #'  
 #    $result =~ s/&#222;//g;  
 #    $result =~ s/&THORN;//g;  
 #    $result =~ s/&#223;//g;  
 #    $result =~ s/&szlig;//g;  
     $result =~ s/&#224;/\\`{a}/g;  
     $result =~ s/&agrave;/\\`{a}/g;  #`  
     $result =~ s/&#225;/\\'{a}/g;  
     $result =~ s/&aacute;/\\'{a}/g;  #'  
     $result =~ s/&#226;/\\^{a}/g;  
     $result =~ s/&acirc;/\\^{a}/g;  
     $result =~ s/&#227;/\\~{a}/g;  
     $result =~ s/&atilde;/\\~{a}/g;  
     $result =~ s/&#228;/\\"{a}/g;  
     $result =~ s/&auml;/\\"{a}/g;    #"  
     $result =~ s/&#229;/{\\aa}/g;  
     $result =~ s/&aring;/{\\aa}/g;  
     $result =~ s/&#230;/{\\ae}/g;  
     $result =~ s/&aelig;/{\\ae}/g;  
 #    $result =~ s/&#231;//g;  
 #    $result =~ s/&ccedil;//g;  
     $result =~ s/&#232;/\\`{e}/g;  
     $result =~ s/&egrave;/\\`{e}/g;  #`  
     $result =~ s/&#233;/\\'{e}/g;  
     $result =~ s/&eacute;/\\'{e}/g;  #'  
     $result =~ s/&#234;/\\^{e}/g;  
     $result =~ s/&ecirc;/\\^{e}/g;  
     $result =~ s/&#235;/\\"{e}/g;  
     $result =~ s/&euml;/\\"{e}/g;    #"  
     $result =~ s/&#236;/\\`{i}/g;  
     $result =~ s/&igrave;/\\`{i}/g;  #`  
     $result =~ s/&#237;/\\'{i}/g;  
     $result =~ s/&iacute;/\\'{i}/g;  #'  
     $result =~ s/&#238;/\\^{i}/g;  
     $result =~ s/&icirc;/\\^{i}/g;  
     $result =~ s/&#239;/\\"{i}/g;  
     $result =~ s/&iuml;/\\"{i}/g;    #"  
 #    $result =~ s/&#240;//g;  
 #    $result =~ s/&eth;//g;  
     $result =~ s/&#241;/\\~{n}/g;  
     $result =~ s/&ntilde;/\\~{n}/g;  
     $result =~ s/&#242;/\\`{o}/g;  
     $result =~ s/&ograve;/\\`{o}/g;  #`  
     $result =~ s/&#243;/\\'{o}/g;  
     $result =~ s/&oacute;/\\'{o}/g;  #'  
     $result =~ s/&#244;/\\^{o}/g;  
     $result =~ s/&ocirc;/\\^{o}/g;  
     $result =~ s/&#245;/\\~{o}/g;  
     $result =~ s/&otilde;/\\~{o}/g;  
     $result =~ s/&#246;/\\"{o}/g;  
     $result =~ s/&ouml;/\\"{o}/g;    #"  
     $result =~ s/&#247;/\$\\div\$/g;  
     $result =~ s/&divide;/\$\\div\$/g;  
     $result =~ s/&#248;/{\\o}/g;  
     $result =~ s/&oslash;/{\\o}/g;  
     $result =~ s/&#249;/\\`{u}/g;   
     $result =~ s/&ugrave;/\\`{u}/g;  #`   
     $result =~ s/&#250;/\\'{u}/g;  
     $result =~ s/&uacute;/\\'{u}/g;  #'  
     $result =~ s/&#251;/\\^{u}/g;  
     $result =~ s/&ucirc;/\\^{u}/g;  
     $result =~ s/&#252;/\\"{u}/g;  
     $result =~ s/&uuml;/\\"{u}/g;    #"  
     $result =~ s/&#253;/\\'{y}/g;  
     $result =~ s/&yacute;/\\'{y}/g;  #'  
 #    $result =~ s/&#254;//g;  
 #    $result =~ s/&thorn;//g;  
     $result =~ s/&#255;/\\"{y}/g;  
     $result =~ s/&yuml;/\\"{y}/g;    #"  
     $result =~ s/&#952;/\$\\theta\$/g; #converts theta from html into tex  
     return $result;  
 }  }
   
   sub printHelper {
       my $r = shift;
   
     sub page_format {      if ($r->header_only) {
  my ($papersize,$layout,$numberofcolumns) = @_;           if ($env{'browser.mathml'}) {
  my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0);              &Apache::loncommon::content_type($r,'text/xml');
  if ($papersize=~/Letter/) {          } else {
     if ($layout eq 'CAPA') {              &Apache::loncommon::content_type($r,'text/html');
  if ($numberofcolumns == 1) {          }
     $textwidth = '18 cm';          $r->send_http_header;
     $textheight = '25.9 cm';          return OK;
     $oddoffset = '-0.57 in';      }
     $evenoffset = '-0.57 in';  
  } elsif ($numberofcolumns == 2) {      # Send header, nocache
     $textwidth = '93 mm';      if ($env{'browser.mathml'}) {
     $textheight = '25.9 cm';          &Apache::loncommon::content_type($r,'text/xml');
     $oddoffset = '-0.57 in';      } else {
     $evenoffset = '-0.57 in';          &Apache::loncommon::content_type($r,'text/html');
  }      }
     } elsif ($layout eq 'CBI') {      &Apache::loncommon::no_cache($r);
  if ($numberofcolumns eq '1') {      $r->send_http_header;
     $textwidth = '8.8 in';      $r->rflush();
     $textheight = '6.8 in';  
     $oddoffset = '-40 pt';      # Unfortunately, this helper is so complicated we have to
     $evenoffset = '-60 pt';      # write it by hand
  } elsif ($numberofcolumns == 2) {  
     $textwidth = '4.2 in';      Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
     $textheight = '6.8 in';      
     $oddoffset = '-40 pt';      my $helper = Apache::lonhelper::helper->new("Printing Helper");
     $evenoffset = '-60 pt';      $helper->declareVar('symb');
  }      $helper->declareVar('postdata');    
     }      $helper->declareVar('curseed'); 
 #    } elsif($papersize=~/Legal/) {      $helper->declareVar('probstatus');   
 #    } elsif($papersize=~/Ledger/) {      $helper->declareVar('filename');
 #    } elsif($papersize=~/Executive/) {      $helper->declareVar('construction');
     } elsif($papersize=~/A4/) {      $helper->declareVar('assignment');
     if ($layout eq 'CAPA') {      $helper->declareVar('style_file');
  if ($numberofcolumns == 1) {      $helper->declareVar('student_sort');
     $textwidth = '18 cm';      $helper->declareVar('FINISHPAGE');
     $textheight = '28 cm';      $helper->declareVar('PRINT_TYPE');
     $oddoffset = '-0.57 in';      $helper->declareVar("showallfoils");
     $evenoffset = '-0.57 in';  
  } elsif ($numberofcolumns == 2) {      #  The page breaks can get loaded initially from the course environment:
     $textwidth = '96 mm';      # But we only do this in the initial state so that they are allowed to change.
     $textheight = '2 cm';      #
     $oddoffset = '-0.57 in';  
     $evenoffset = '-0.57 in';      # $helper->{VARS}->{FINISHPAGE} = '';
  }      
     } elsif ($layout eq 'CBI') {      &Apache::loncommon::restore_course_settings('print',
  if ($numberofcolumns eq '1') {   {'pagebreaks'  => 'scalar',
     $textwidth = '8.5 in';           'lastprinttype' => 'scalar'});
     $textheight = '7.7 in';      
     $oddoffset = '-40 pt';      
     $evenoffset = '-60 pt';      if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
  } elsif ($numberofcolumns == 2) {   if (!defined ($env{"form.CURRENT_STATE"})) {
     $textwidth = '3.9 in';      
     $textheight = '7.7 in';      $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
     $oddoffset = '-40 pt';   } else {
     $evenoffset = '-60 pt';      my $state = $env{"form.CURRENT_STATE"};
  }      if ($state eq "START") {
    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
     }      }
 #    } elsif($papersize=~/A3/) {  
 #    } elsif($papersize=~/A2/) {  
 #    } elsif($papersize=~/A5/) {  
 #    } elsif($papersize=~/A6/) {  
  }   }
  return $textwidth,$textheight,$oddoffset,$evenoffset;  
     }      }
   
       
       # This will persistently load in the data we want from the
       # very first screen.
       # Detect whether we're coming from construction space
       if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
           $helper->{VARS}->{'filename'} = "~$1/$2";
           $helper->{VARS}->{'construction'} = 1;
       } else {
           if ($env{'form.postdata'}) {
               $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
           }
           if ($env{'form.symb'}) {
               $helper->{VARS}->{'symb'} = $env{'form.symb'};
           }
           if ($env{'form.url'}) {
               $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
           }
   
 sub page_format_transformation {      }
     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_;   
     my ($textwidth,$textheight,$oddoffset,$evenoffset);      if ($env{'form.symb'}) {
  $assignment=~s/_/ /g;          $helper->{VARS}->{'symb'} = $env{'form.symb'};
         if ($numberofcolumns != 1) {      }
           ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns);      if ($env{'form.url'}) {
  } else {          $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
   ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'});  
       }
       $helper->{VARS}->{'symb'}=
    &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
       my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
       if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
   
       
       # Extract map
       my $symb = $helper->{VARS}->{'symb'};
       my ($map, $id, $url);
       my $subdir;
   
       # Get the resource name from construction space
       if ($helper->{VARS}->{'construction'}) {
           $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                                   rindex($helper->{VARS}->{'filename'}, '/')+1);
           $subdir = substr($helper->{VARS}->{'filename'},
                            0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
       } else {
           ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
           $helper->{VARS}->{'postdata'} = 
       &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
   
           if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
               my $postdata = $helper->{VARS}->{'postdata'};
               $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
           }
           $subdir = &Apache::lonnet::filelocation("", $url);
       }
       if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
    $helper->{VARS}->{'curseed'}=$env{'form.curseed'};
       }
       if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
    $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
       }
   
       my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
   
       Apache::lonhelper::registerHelperTags();
   
       # "Delete everything after the last slash."
       $subdir =~ s|/[^/]+$||;
       if (not $helper->{VARS}->{'construction'}) {
    $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
       }
       # "Remove all duplicate slashes."
       $subdir =~ s|/+|/|g;
   
       # What can be printed is a very dynamic decision based on
       # lots of factors. So we need to dynamically build this list.
       # To prevent security leaks, states are only added to the wizard
       # if they can be reached, which ensures manipulating the form input
       # won't allow anyone to reach states they shouldn't have permission
       # to reach.
   
       # printChoices is tracking the kind of printing the user can
       # do, and will be used in a choices construction later.
       # In the meantime we will be adding states and elements to
       # the helper by hand.
       my $printChoices = [];
       my $paramHash;
   
       if ($resourceTitle) {
           push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
       }
   
       # Useful filter strings
       my $isProblem = '($res->is_problem()||$res->contains_problem) ';
       $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
       my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
       my $isNotMap = '!$res->is_sequence()';
       $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
       my $isMap = '$res->is_map()';
       my $symbFilter = '$res->shown_symb()';
       my $urlValue = '$res->link()';
   
       $helper->declareVar('SEQUENCE');
   
   
   
       # If we're in a sequence...
       if (($helper->{'VARS'}->{'construction'} ne '1') &&
   
    $helper->{VARS}->{'postdata'} &&
    $helper->{VARS}->{'assignment'}) {
           # Allow problems from sequence
           push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
           # Allow all resources from sequence
           push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
   
           my $helperFragment = <<HELPERFRAGMENT;
     <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
       <message>(mark them then click "next" button) <br /></message>
       <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                 closeallpages="1">
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isProblem;</filterfunc>
         <mapurl>$map</mapurl>
         <valuefunc>return $symbFilter;</valuefunc>
         <option text='Newpage' variable='FINISHPAGE' />
         </resource>
       </state>
   
     <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
       <message>(mark them then click "next" button) <br /></message>
       <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                 closeallpages="1">
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isNotMap;</filterfunc>
         <mapurl>$map</mapurl>
         <valuefunc>return $symbFilter;</valuefunc>
         <option text='Newpage' variable='FINISHPAGE' />
         </resource>
       </state>
   HELPERFRAGMENT
   
    &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
       }
   
       # If the user has pfo (print for otheres) allow them to print all 
       # problems and resources  in the entier course, optionally for selected students
       if ($perm{'pfo'} && 
           ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|grppg|aboutme|bulletinboard)$/)) { 
   
           push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
    push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
            &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
     <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
       <message>(mark them then click "next" button) <br /></message>
       <resource variable="RESOURCES" toponly='0' multichoice="1"
    suppressEmptySequences='0' addstatus="1" closeallpages="1">
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isProblemOrMap;</filterfunc>
         <choicefunc>return $isNotMap;</choicefunc>
         <valuefunc>return $symbFilter;</valuefunc>
         <option text='Newpage' variable='FINISHPAGE' />
       </resource>
     </state>
     <state name="ALL_RESOURCES" title="Select Resource(s) to print">
       <message>(Mark them then click "next" button) <br /> </message>
       <resource variable="RESOURCES" toponly='0' multichoice='1'
                 suppressEmptySequences='0' addstatus='1' closeallpages='1'>
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isNotMap; </filterfunc>
         <valuefunc>return $symbFilter;</valuefunc>
         <option text='NewPage' variable='FINISHPAGE' />
       </resource>
     </state>
   ALL_PROBLEMS
   
    if ($helper->{VARS}->{'assignment'}) {
       push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
       push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'problems_for_anon', 'CHOOSE_ANON1'];
  }   }
  my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};  
  if ($layout eq 'CBI') {   # resource_selector will hold a few states that:
     $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm} \\begin{document}\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}} \\hfill  $courseidinfo} \\vskip 5 mm /;   #   - Allow resources to be selected for printing.
  } elsif ($layout eq 'CAPA') {   #   - Determine pagination between assignments.
      if ($choice ne 'All class print') {    #   - Determine how many assignments should be bundled into a single PDF.
  $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\setlength{\\topmargin}{1cm}\\setlength{\\headheight}{1cm}\\setlength{\\headsep}{0.5cm}\\markboth{}{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}} $courseidinfo - $assignment}\\pagestyle{myheadings}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}/;          # TODO:
     } else {   #    Probably good to do things like separate this up into several vars, each
  $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;   #    with one state, and use REGEXPs at inclusion time to set state names
    #    and next states for better mix and match capability
    #
    my $resource_selector=<<RESOURCE_SELECTOR;
       <state name="SELECT_PROBLEMS" title="Select resources to print">
      <nextstate>PRINT_FORMATTING</nextstate> 
      <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
       <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                 closeallpages="1">
         <filterfunc>return $isProblem;</filterfunc>
         <mapurl>$map</mapurl>
         <valuefunc>return $symbFilter;</valuefunc>
         <option text='New Page' variable='FINISHPAGE' />
         </resource>
       </state>
       <state name="PRINT_FORMATTING" title="How should results be printed?">
       <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
       <choices variable="EMPTY_PAGES">
         <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
         <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
         <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
         <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
       </choices>
       <nextstate>PAGESIZE</nextstate>
       <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
       <choices variable="SPLIT_PDFS">
          <choice computer="all">All assignments in a single PDF file</choice>
          <choice computer="sections">Each PDF contains exactly one section</choice>
          <choice computer="oneper">Each PDF contains exactly one assignment</choice>
          <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
               Specify the number of assignments per PDF:</choice>
       </choices>
       </state>
   RESOURCE_SELECTOR
   
           &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
     <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
         <message><b>Select sort order</b> </message>
       <choices variable='student_sort'>
         <choice computer='0'>Sort by section then student</choice>
         <choice computer='1'>Sort by students across sections.</choice>
       </choices>
         <message><br /><hr /><br /> </message>
         <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
     </state>
       $resource_selector
   CHOOSE_STUDENTS
   
    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
           my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
    my $namechoice='<choice></choice>';
    foreach my $name (sort {uc($a) cmp uc($b)} @names) {
       if ($name =~ /^error: 2 /) { next; }
       if ($name =~ /^type\0/) { next; }
       $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
    }
   
   
    my %code_values;
    my %codes_to_print;
    foreach my $key (@names) {
       %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
       foreach my $key (keys(%code_values)) {
    $codes_to_print{$key} = 1;
     }      }
  }   }
  return $text;  
 }  
   
    my $code_selection;
    foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
       my $choice  = $code;
       if ($code =~ /^[A-Z]+$/) { # Alpha code
    $choice = &letters_to_num($code);
       }
       push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
    }
    if (%codes_to_print) {
       $code_selection .='   
       <message><b>Choose single code from list</b></message>
    <message></td><td></message>
    <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                     <choice></choice>
                     <exec>
                        push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                     </exec>
    </dropdown>
       <message></td></tr><tr><td colspan="2"><hr width=\'33%\' /></td></tr><tr><td></message>
               '.$/;
   
 sub page_cleanup {   }
     my $result = shift;  
    
     $result =~ m/\\end{document}(\d*)$/;   open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
     my $number_of_columns = $1;   my $codechoice='';
     my $insert = '{';   foreach my $line (<FH>) {
     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }      my ($name,$description,$code_type,$code_length)=
     $insert .= '}';   (split(/:/,$line))[0,1,2,4];
     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;      if ($code_length > 0 && 
     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;   $code_type =~/^(letter|number|-1)/) {
     return $result,$number_of_columns;   $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
       }
    }
    if ($codechoice eq '') {
       $codechoice='<choice computer="default">Default</choice>';
    }
           &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
     <state name="CHOOSE_ANON1" title="Select Students and Resources">
       <nextstate>SELECT_PROBLEMS</nextstate>
       <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
       <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
          <validator>
    if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
       !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
               !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
       !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
       return "You need to specify the number of assignments to print";
    }
    return undef;
          </validator>
       </string>
       <message></td></tr><tr><td></message>
       <message><b>Names to store the CODEs under for later:</b></message>
       <message></td><td></message>
       <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
       <message></td></tr><tr><td></message>
       <message><b>Bubble sheet type:</b></message>
       <message></td><td></message>
       <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
       $codechoice
       </dropdown>
       <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
       <message></td></tr><tr><td></message>
       <message><b>Enter a CODE to print:</b></td><td></message>
       <string variable="SINGLE_CODE" size="10">
           <validator>
      if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
         !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
         !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
         return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
         \$helper->{'VARS'}{'CODE_OPTION'});
      } else {
          return undef; # Other forces control us.
      }
           </validator>
       </string>
       <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
           $code_selection
   
       
       <message><b>Reprint a set of saved CODEs:</b></message>
       <message></td><td></message>
       <dropdown variable="REUSE_OLD_CODES">
           $namechoice
       </dropdown>
       <message></td></tr></table></message>
       <message><hr width='33%' /></message>
     </state>
     $resource_selector
   CHOOSE_ANON1
   
   
    if ($helper->{VARS}->{'assignment'}) {
       push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
       push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'resources_for_anon', 'CHOOSE_ANON2'];
    }
       
   
    $resource_selector=<<RESOURCE_SELECTOR;
       <state name="SELECT_RESOURCES" title="Select Resources">
       <nextstate>PRINT_FORMATTING</nextstate>
       <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
       <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                 closeallpages="1">
         <filterfunc>return $isNotMap;</filterfunc>
         <mapurl>$map</mapurl>
         <valuefunc>return $symbFilter;</valuefunc>
         <option text='Newpage' variable='FINISHPAGE' />
         </resource>
       </state>
       <state name="PRINT_FORMATTING" title="Format of the print job">
       <nextstate>NUMBER_PER_PDF</nextstate>
       <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
       <choices variable="EMPTY_PAGES">
         <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
         <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
         <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
         <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
       </choices>
       <nextstate>PAGESIZE</nextstate>
       <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
       <choices variable="SPLIT_PDFS">
          <choice computer="all">All assignments in a single PDF file</choice>
          <choice computer="sections">Each PDF contains exactly one section</choice>
          <choice computer="oneper">Each PDF contains exactly one assignment</choice>
          <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
              Specify the number of assignments per PDF:</choice>
       </choices>
       </state>
   RESOURCE_SELECTOR
   
    &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
     <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
       <choices variable='student_sort'>
         <choice computer='0'>Sort by section then student</choice>
         <choice computer='1'>Sort by students across sections.</choice>
       </choices>
       <message><br /><hr /><br /></message>
       <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
   
       </state>
       $resource_selector
   CHOOSE_STUDENTS1
   
    &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
     <state name="CHOOSE_ANON2" title="Select Students and Resources">
       <nextstate>SELECT_RESOURCES</nextstate>
       <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
       <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
          <validator>
    if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
       !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
       !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
       !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
       return "You need to specify the number of assignments to print";
    }
    return undef;
          </validator>
       </string>
       <message></td></tr><tr><td></message>
       <message><b>Names to store the CODEs under for later:</b></message>
       <message></td><td></message>
       <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
       <message></td></tr><tr><td></message>
       <message><b>Bubble sheet type:</b></message>
       <message></td><td></message>
       <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
       $codechoice
       </dropdown>
       <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
       <message></td></tr><tr><td></message>
       <message><b>Enter a CODE to print:</b></td><td></message>
       <string variable="SINGLE_CODE" size="10">
           <validator>
      if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
         !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
         !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
         return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
         \$helper->{'VARS'}{'CODE_OPTION'});
      } else {
          return undef; # Other forces control us.
      }
           </validator>
       </string>
       <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
           $code_selection
       <message><b>Reprint a set of saved CODEs:</b></message>
       <message></td><td></message>
       <dropdown variable="REUSE_OLD_CODES">
           $namechoice
       </dropdown>
       <message></td></tr></table></message>
       <message><hr width='33%' /></message>
     </state>
       $resource_selector
   CHOOSE_ANON2
       }
   
       # FIXME: That RE should come from a library somewhere.
       if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $perm{'pav'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
           push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
   
           my $f = '$filename';
           my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
     <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
       <message>(mark them then click "next" button) <br /></message>
       <files variable="FILES" multichoice='1'>
         <nextstate>PAGESIZE</nextstate>
         <filechoice>return '$subdir';</filechoice>
   CHOOSE_FROM_SUBDIR
           
           # this is broken up because I really want interpolation above,
           # and I really DON'T want it below
           $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
         <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
     $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
         </filefilter>
         </files>
       </state>
   CHOOSE_FROM_SUBDIR
           &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
       }
   
       # Allow the user to select any sequence in the course, feed it to
       # another resource selector for that sequence
       if (!$helper->{VARS}->{'construction'}) {
    push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
         'select_sequences', 'CHOOSE_SEQUENCE'];
    my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
    #Escape apostrophes and backslashes for Perl
    $escapedSequenceName =~ s/\\/\\\\/g;
    $escapedSequenceName =~ s/'/\\'/g;
    &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
     <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
       <message>Select the sequence to print resources from:</message>
       <resource variable="SEQUENCE">
         <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
         <filterfunc>return \$res->is_sequence;</filterfunc>
         <valuefunc>return $urlValue;</valuefunc>
         <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
    </choicefunc>
         </resource>
       </state>
     <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
       <message>(mark desired resources then click "next" button) <br /></message>
       <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                 closeallpages="1">
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isProblem</filterfunc>
         <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
         <valuefunc>return $symbFilter;</valuefunc>
         <option text='Newpage' variable='FINISHPAGE' />
         </resource>
       </state>
   CHOOSE_FROM_ANY_SEQUENCE
 }  }
   
       # Generate the first state, to select which resources get printed.
       Apache::lonhelper::state->new("START", "Select Printing Options:");
       $paramHash = Apache::lonhelper::getParamHash();
       $paramHash->{MESSAGE_TEXT} = "";
       Apache::lonhelper::message->new();
       $paramHash = Apache::lonhelper::getParamHash();
       $paramHash->{'variable'} = 'PRINT_TYPE';
       $paramHash->{CHOICES} = $printChoices;
       Apache::lonhelper::choices->new();
   
       my $startedTable = 0; # have we started an HTML table yet? (need
                             # to close it later)
   
       if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
    ($helper->{VARS}->{'construction'} eq '1')) {
    addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
           $paramHash = Apache::lonhelper::getParamHash();
    $paramHash->{'variable'} = 'ANSWER_TYPE';   
    $helper->declareVar('ANSWER_TYPE');         
           $paramHash->{CHOICES} = [
                                      ['Without Answers', 'yes'],
                                      ['With Answers', 'no'],
                                      ['Only Answers', 'only']
                                   ];
           Apache::lonhelper::dropdown->new();
    addMessage("</td></tr>");
    $startedTable = 1;
       }
   
       if ($perm{'pav'}) {
    if (!$startedTable) {
       addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
       $startedTable = 1;
    } else {
       addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
    }
           $paramHash = Apache::lonhelper::getParamHash();
    $paramHash->{'variable'} = 'LATEX_TYPE';   
    $helper->declareVar('LATEX_TYPE');  
    if ($helper->{VARS}->{'construction'} eq '1') {       
       $paramHash->{CHOICES} = [
        ['standard LaTeX mode', 'standard'], 
        ['LaTeX batchmode', 'batchmode'], ];
    } else {
       $paramHash->{CHOICES} = [
        ['LaTeX batchmode', 'batchmode'],
        ['standard LaTeX mode', 'standard'] ];
    }
           Apache::lonhelper::dropdown->new();
    
    addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
           $paramHash = Apache::lonhelper::getParamHash();
    $paramHash->{'variable'} = 'TABLE_CONTENTS';   
    $helper->declareVar('TABLE_CONTENTS');         
           $paramHash->{CHOICES} = [
                                      ['No', 'no'],
                                      ['Yes', 'yes'] ];
           Apache::lonhelper::dropdown->new();
    addMessage("</td></tr>");
           
    if (not $helper->{VARS}->{'construction'}) {
       addMessage("<tr><td align='right'>Print Index: </td><td>");
       $paramHash = Apache::lonhelper::getParamHash();
       $paramHash->{'variable'} = 'TABLE_INDEX';   
       $helper->declareVar('TABLE_INDEX');         
       $paramHash->{CHOICES} = [
        ['No', 'no'],
        ['Yes', 'yes'] ];
       Apache::lonhelper::dropdown->new();
       addMessage("</td></tr>");
       addMessage("<tr><td align='right'>Print Discussions: </td><td>");
       $paramHash = Apache::lonhelper::getParamHash();
       $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
       $helper->declareVar('PRINT_DISCUSSIONS');         
       $paramHash->{CHOICES} = [
        ['No', 'no'],
        ['Yes', 'yes'] ];
       Apache::lonhelper::dropdown->new();
       addMessage("</td></tr>");
   
       addMessage("<tr><td align = 'right'>  </td><td>");
       $paramHash = Apache::lonhelper::getParamHash();
       $paramHash->{'multichoice'} = "true";
       $paramHash->{'allowempty'}  = "true";
       $paramHash->{'variable'}   = "showallfoils";
       $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
       Apache::lonhelper::choices->new();
       addMessage("</td></tr>");
    }
   
 sub details_for_menu {   if ($helper->{'VARS'}->{'construction'}) { 
       my $stylevalue=$env{'construct.style'};
       my $xmlfrag .= <<"RNDSEED";
       <message><tr><td align='right'>Use random seed:  </td><td></message>
       <string variable="curseed" size="15" maxlength="15">
    <defaultvalue>
               return $helper->{VARS}->{'curseed'};
           </defaultvalue>
       </string>
        <message></td></tr><tr><td align="right">Use style file:</td><td></message>
                <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
        <choices allowempty="1" multichoice="true" variable="showallfoils">
                   <choice computer="1">Show all foils?</choice>
                </choices>
        <message></td></tr></message>
   RNDSEED
               &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
       $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
       
    } 
       }
   
     my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};  
     my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});  
     my ($map,$id,$resource)=split(/___/,$symbolic);  
     my $name_of_sequence;      if ($startedTable) {
     if ($map=~/^uploaded/) {   addMessage("</table>");
  $name_of_sequence = $hash{'title_'.$hash{'ids_/'.$map}};  
     } else {  
  $name_of_sequence = $hash{'title_'.$hash{'ids_/res/'.$map}};  
     }      }
     if ($name_of_sequence =~ /^\s*$/) {  
      $map =~ m|([^/]+)$|;      Apache::lonprintout::page_format_state->new("FORMAT");
       $name_of_sequence = $1;  
       # Generate the PAGESIZE state which will offer the user the margin
       # choices if they select one column
       Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
       Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
   
   
       $helper->process();
   
   
       # MANUAL BAILOUT CONDITION:
       # If we're in the "final" state, bailout and return to handler
       if ($helper->{STATE} eq 'FINAL') {
           return $helper;
       }    
   
       $r->print($helper->display());
       if ($helper->{STATE} eq 'START') {
    &recently_generated($r);
     }      }
     my $name_of_map = $hash{'title_'.$hash{'ids_/res/'.$ENV{'request.course.uri'}}};      &Apache::lonhelper::unregisterHelperTags();
     if ($name_of_map =~ /^\s*$/) {  
       $ENV{'request.course.uri'} =~ m|([^/]+)$|;  
       $name_of_map = $1;  
     }    
     return ($name_of_resourse,$name_of_sequence,$name_of_map);  
   
       return OK;
 }  }
   
   
 sub latex_corrections {  1;
   
     my ($number_of_columns,$result) = @_;  package Apache::lonprintout::page_format_state;
   
     $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;  =pod
     $result =~ s/\$number_of_columns/$number_of_columns/g;  
     $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;  =head1 Helper element: page_format_state
     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;  
     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;  See lonhelper.pm documentation for discussion of the helper framework.
 #-- LaTeX corrections       
     my $first_comment = index($result,'<!--',0);  Apache::lonprintout::page_format_state is an element that gives the 
     while ($first_comment != -1) {  user an opportunity to select the page layout they wish to print 
  my $end_comment = index($result,'-->',$first_comment);  with: Number of columns, portrait/landscape, and paper size. If you 
  substr($result,$first_comment,$end_comment-$first_comment+3) = '';  want to change the paper size choices, change the @paperSize array 
  $first_comment = index($result,'<!--',$first_comment);  contents in this package.
     }  
     $result =~ s/^\s+$//gm; #remove empty lines  page_format_state is always directly invoked in lonprintout.pm, so there
     $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space  is no tag interface. You actually pass parameters to the constructor.
     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;  
     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;  =over 4
     $result =~ s/{\\par }\s*\\\\/\\\\/gm;  
  $result =~ s/\\\\\s+\[/ \[/g;  =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;  
     #conversion of html characters to LaTeX equivalents  =back
     if ($result =~ m/&(\w+|#\d+);/) {  
  $result = &character_chart($result);  =cut
   
   use Apache::lonhelper;
   
   no strict;
   @ISA = ("Apache::lonhelper::element");
   use strict;
   use Apache::lonlocal;
   use Apache::lonnet;
   
   my $maxColumns = 2;
   # it'd be nice if these all worked
   #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
   #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
   #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
   #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
   my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
    "a4 [210x297 mm]");
   
   # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
   #                   Paper type
   
   sub new { 
       my $self = Apache::lonhelper::element->new();
   
       shift;
   
       $self->{'variable'} = shift;
       my $helper = Apache::lonhelper::getHelper();
       $helper->declareVar($self->{'variable'});
       bless($self);
       return $self;
   }
   
   sub render {
       my $self = shift;
       my $helper = Apache::lonhelper::getHelper();
       my $result = '';
       my $var = $self->{'variable'};
       my $PageLayout=&mt('Page layout');
       my $NumberOfColumns=&mt('Number of columns');
       my $PaperType=&mt('Paper type');
       $result .= <<STATEHTML;
   
   <hr width="33%" />
   <table cellpadding="3">
     <tr>
       <td align="center"><b>$PageLayout</b></td>
       <td align="center"><b>$NumberOfColumns</b></td>
       <td align="center"><b>$PaperType</b></td>
     </tr>
     <tr>
       <td>
         <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
         <label><input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait </label>
       </td>
       <td align="center">
         <select name="${var}.cols">
   STATEHTML
   
       my $i;
       for ($i = 1; $i <= $maxColumns; $i++) {
           if ($i == 2) {
               $result .= "<option value='$i' selected>$i</option>\n";
           } else {
               $result .= "<option value='$i'>$i</option>\n";
           }
     }      }
     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;  
     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;  
   
       $result .= "</select></td><td>\n";
       $result .= "<select name='${var}.paper'>\n";
   
       my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
       my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
       $DefaultPaperSize=~s/\s//g;
       if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
       $i = 0;
       foreach (@paperSize) {
    $_=~/(\w+)/;
    my $papersize=$1;
           if ($paperSize[$i]=~/$DefaultPaperSize/) {
               $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
           } else {
               $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
           }
           $i++;
       }
       $result .= "</select></td></tr></table>";
     return $result;      return $result;
 }  }
   
   sub postprocess {
       my $self = shift;
   
 sub handler {      my $var = $self->{'variable'};
       my $helper = Apache::lonhelper->getHelper();
       $helper->{VARS}->{$var} = 
           $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
           $env{"form.$var.paper"};
       return 1;
   }
   
     my $r = shift;  1;
   
     my $loaderror=&Apache::lonnet::overloaderror($r);  package Apache::lonprintout::page_size_state;
     if ($loaderror) { return $loaderror; }  
     $loaderror=  
        &Apache::lonnet::overloaderror($r,  
          $ENV{'course.'.$ENV{'request.course.id'}.'.home'});  
     if ($loaderror) { return $loaderror; }  
   
     $r->content_type('text/html');  =pod
     $r->send_http_header;  
     $r->print(&Apache::loncommon::bodytag("Printing"));  
   
     if ($ENV{'request.course.id'}) {  =head1 Helper element: page_size_state
  my $fn=$ENV{'request.course.fn'};  
  tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);  See lonhelper.pm documentation for discussion of the helper framework.
     }  
   Apache::lonprintout::page_size_state is an element that gives the 
 #-- start form  user the opportunity to further refine the page settings if they
     &headerform($r);  select a single-column page.
 #-- menu for output  
     unless  ($ENV{'form.phase'}) {  page_size_state is always directly invoked in lonprintout.pm, so there
  &menu_for_output($r);  is no tag interface. You actually pass parameters to the constructor.
     }  
 #-- additional menu for class printing  =over 4
      if ($ENV{'form.phase'} eq 'two') {  
  if($ENV{'form.choice'} eq 'Standard LaTeX output for whole primary sequence') {  =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
      &sequence_content_menu(0,$r);  
  } elsif($ENV{'form.choice'} eq 'Standard LaTeX output for the primary sequence') {  =back
      &sequence_content_menu(1,$r);  
  } elsif($ENV{'form.choice'} eq 'All class print') {  =cut
      &additional_class_menu($r);  
  } elsif($ENV{'form.choice'} eq 'Subdirectory print') {  use Apache::lonhelper;
      &problem_choice_menu($r);  use Apache::lonnet;
  } else {  no strict;
      $ENV{'form.phase'} = 'three';  @ISA = ("Apache::lonhelper::element");
  }  use strict;
      }  
 #-- additional menu for page layout (one column case)  
     if ($ENV{'form.phase'} eq 'three') {  
  if($ENV{'form.numberofcolumns'} == 1) {  sub new { 
     &additional_print_menu($r);      my $self = Apache::lonhelper::element->new();
  } else {  
     $ENV{'form.phase'} = 'four';      shift; # disturbs me (probably prevents subclassing) but works (drops
  }             # package descriptor)... - Jeremy
   
       $self->{'variable'} = shift;
       my $helper = Apache::lonhelper::getHelper();
       $helper->declareVar($self->{'variable'});
   
       # The variable name of the format element, so we can look into 
       # $helper->{VARS} to figure out whether the columns are one or two
       $self->{'formatvar'} = shift;
   
       # The state to transition to after selection, or after discovering
       # the cols are not set to 1
       $self->{NEXTSTATE} = shift;
       bless($self);
       return $self;
   }
   
   sub render {
       my $self = shift;
       my $helper = Apache::lonhelper::getHelper();
       my $result = '';
       my $var = $self->{'variable'};
   
       if (defined $self->{ERROR_MSG}) {
           $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
       }
   
       my $width = 18;
       my $format = $helper->{VARS}->{$self->{'formatvar'}};
       if (substr($format, 2, 1) ne '1') {
    $width = 9;
       }
   
       $result .= <<ELEMENTHTML;
   
   <p>How should the column be formatted?</p>
   
   <table cellpadding='3'>
     <tr>
       <td align='right'><b>Width</b>:</td>
       <td align='left'><input type='text' name='$var.width' value='$width' size='4'></td>
       <td align='left'>
         <select name='$var.widthunit'>
           <option>cm</option><option>in</option>
         </select>
       </td>
     </tr>
     <tr>
       <td align='right'><b>Height</b>:</td>
       <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
       <td align='left'>
         <select name='$var.heightunit'>
           <option>cm</option><option>in</option>
         </select>
       </td>
     </tr>
     <tr>
       <td align='right'><b>Left margin</b>:</td>
       <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
       <td align='left'>
         <select name='$var.lmarginunit'>
           <option>cm</option><option>in</option>
         </select>
       </td>
     </tr>
   </table>
   
   <p>Hint: Some instructors like to leave scratch space for the student by
   making the width much smaller than the width of the page.</p>
   
   ELEMENTHTML
   
       return $result;
   }
   
   # If the user didn't select 1 column, skip this state.
   sub preprocess {
       my $self = shift;
       my $helper = Apache::lonhelper::getHelper();
   
       my $format = $helper->{VARS}->{$self->{'formatvar'}};
       if (substr($format, 2, 1) ne '1') {
           $helper->changeState($self->{NEXTSTATE});
     }      }
 #-- core part   
     if ($ENV{'form.phase'} eq 'four') {  
  &output_data($r);  
     }  
     untie %hash;  
     return OK;  
         
 }       return 1;
   }
   
   sub postprocess {
       my $self = shift;
   
       my $var = $self->{'variable'};
       my $helper = Apache::lonhelper->getHelper();
       my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
       my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
       my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
       $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
       $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
       $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
   
       my $error = '';
   
       # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
       # by an optional period, followed by digits, ending the string
   
       if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
           $error .= "Invalid width; please type only a number.<br />\n";
       }
       if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
           $error .= "Invalid height; please type only a number.<br />\n";
       }
       if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
           $error .= "Invalid left margin; please type only a number.<br />\n";
       }
   
       if (!$error) {
           Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
           return 1;
       } else {
           $self->{ERROR_MSG} = $error;
           return 0;
       }
   }
   
   
   
 1;  
 __END__  __END__
   
Removed from v.1.105  
changed lines
  Added in v.1.455

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.